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1055054551 = 2345871937
BaseRepresentation
bin111110111000101…
…101101011010111
32201112021022202111
4332320231223113
54130043221201
6252405251451
735100546535
oct7670555327
92645238674
101055054551
114a1607111
12255403b87
1313a775145
14a019d155
1562958b51
hex3ee2dad7

1055054551 has 4 divisors (see below), whose sum is σ = 1100926512. Its totient is φ = 1009182592.

The previous prime is 1055054549. The next prime is 1055054573. The reversal of 1055054551 is 1554505501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1554505501 = 1981816079.

It is not a de Polignac number, because 1055054551 - 21 = 1055054549 is a prime.

It is a super-2 number, since 2×10550545512 = 2226280211171623202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055054521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22935946 + ... + 22935991.

It is an arithmetic number, because the mean of its divisors is an integer number (275231628).

Almost surely, 21055054551 is an apocalyptic number.

1055054551 is a deficient number, since it is larger than the sum of its proper divisors (45871961).

1055054551 is an equidigital number, since it uses as much as digits as its factorization.

1055054551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45871960.

The product of its (nonzero) digits is 12500, while the sum is 31.

The square root of 1055054551 is about 32481.6032701589. The cubic root of 1055054551 is about 1018.0246760474.

The spelling of 1055054551 in words is "one billion, fifty-five million, fifty-four thousand, five hundred fifty-one".

Divisors: 1 23 45871937 1055054551