1055639616 has 56 divisors (see below), whose sum is σ = 2957352480. Its totient is φ = 331180032.

The previous prime is 1055639593. The next prime is 1055639617. The reversal of 1055639616 is 6169365501.

1055639616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1055639616² = 2228749997737254912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055639617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158446 + ... + 164973.

Almost surely, 2^1055639616 is an apocalyptic number.

1055639616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1055639616 is an abundant number, since it is smaller than the sum of its proper divisors (1901712864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055639616 is a wasteful number, since it uses less digits than its factorization.

1055639616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323451 (or 323441 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 1055639616 is about 32490.6081198860. The cubic root of 1055639616 is about 1018.2128181502.

The spelling of 1055639616 in words is "one billion, fifty-five million, six hundred thirty-nine thousand, six hundred sixteen".