1056153553 has 16 divisors (see below), whose sum is σ = 1309248640. Its totient is φ = 829616256.

The previous prime is 1056153547. The next prime is 1056153587. The reversal of 1056153553 is 3553516501.

It is not a de Polignac number, because 1056153553 - 2²¹ = 1054056401 is a prime.

It is a super-2 number, since 2×1056153553² = 2230920655029047618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056153253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29100 + ... + 54397.

It is an arithmetic number, because the mean of its divisors is an integer number (81828040).

Almost surely, 2^1056153553 is an apocalyptic number.

1056153553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1056153553 is a deficient number, since it is larger than the sum of its proper divisors (253095087).

1056153553 is a wasteful number, since it uses less digits than its factorization.

1056153553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83656.

The product of its (nonzero) digits is 33750, while the sum is 34.

The square root of 1056153553 is about 32498.5161661267. The cubic root of 1056153553 is about 1018.3780299434.

The spelling of 1056153553 in words is "one billion, fifty-six million, one hundred fifty-three thousand, five hundred fifty-three".