Search a number
-
+
56007750553 = 101891549683
BaseRepresentation
bin110100001010010100…
…100111001110011001
312100120021110112001121
4310022110213032121
51404200441004203
641421332245241
74021632011326
oct641224471631
9170507415047
1056007750553
1121830a07a57
12aa30a70821
135387620501
1429d4599b4d
1516cc00e0bd
hexd0a527399

56007750553 has 4 divisors (see below), whose sum is σ = 56008402128. Its totient is φ = 56007098980.

The previous prime is 56007750551. The next prime is 56007750563. The reversal of 56007750553 is 35505770065.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 35505770065 = 57101154013.

It is a cyclic number.

It is not a de Polignac number, because 56007750553 - 21 = 56007750551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56007750551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172951 + ... + 376732.

It is an arithmetic number, because the mean of its divisors is an integer number (14002100532).

Almost surely, 256007750553 is an apocalyptic number.

It is an amenable number.

56007750553 is a deficient number, since it is larger than the sum of its proper divisors (651575).

56007750553 is a wasteful number, since it uses less digits than its factorization.

56007750553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651574.

The product of its (nonzero) digits is 551250, while the sum is 43.

The spelling of 56007750553 in words is "fifty-six billion, seven million, seven hundred fifty thousand, five hundred fifty-three".

Divisors: 1 101891 549683 56007750553