57011634 has 16 divisors (see below), whose sum is σ = 126692640. Its totient is φ = 19003860.

The previous prime is 57011627. The next prime is 57011663. The reversal of 57011634 is 43611075.

It is a super-2 number, since 2×57011634² = 6500652822699912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 57011598 and 57011607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527832 + ... + 527939.

It is an arithmetic number, because the mean of its divisors is an integer number (7918290).

Almost surely, 2^57011634 is an apocalyptic number.

57011634 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

57011634 is an abundant number, since it is smaller than the sum of its proper divisors (69681006).

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

57011634 is a wasteful number, since it uses less digits than its factorization.

57011634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055782 (or 1055776 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 57011634 is about 7550.6048764321. The cubic root of 57011634 is about 384.8762946577.

The spelling of 57011634 in words is "fifty-seven million, eleven thousand, six hundred thirty-four".