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5457887545 = 511911108929
BaseRepresentation
bin1010001010101000…
…01100000100111001
3112002100222102012011
411011110030010321
542134204400140
62301325245521
7252152164405
oct50524140471
915070872164
105457887545
112350920770
121083a038a1
1368c98a776
1439ac14105
1521e251cea
hex14550c139

5457887545 has 16 divisors (see below), whose sum is σ = 7152779520. Its totient is φ = 3964979200.

The previous prime is 5457887543. The next prime is 5457887563.

5457887545 is nontrivially palindromic in base 10.

5457887545 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5457887545 - 21 = 5457887543 is a prime.

It is a super-2 number, since 2×54578875452 = 59577072907732254050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5457887545.

It is not an unprimeable number, because it can be changed into a prime (5457887543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4360 + ... + 104569.

It is an arithmetic number, because the mean of its divisors is an integer number (447048720).

Almost surely, 25457887545 is an apocalyptic number.

5457887545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5457887545 is a deficient number, since it is larger than the sum of its proper divisors (1694891975).

5457887545 is a wasteful number, since it uses less digits than its factorization.

5457887545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109856.

The product of its digits is 31360000, while the sum is 58.

The square root of 5457887545 is about 73877.5171821577. The cubic root of 5457887545 is about 1760.6574189374.

The spelling of 5457887545 in words is "five billion, four hundred fifty-seven million, eight hundred eighty-seven thousand, five hundred forty-five".

Divisors: 1 5 11 55 911 4555 10021 50105 108929 544645 1198219 5991095 99234319 496171595 1091577509 5457887545