57069012 has 96 divisors (see below), whose sum is σ = 178827264. Its totient is φ = 13680000.

The previous prime is 57069011. The next prime is 57069031. The reversal of 57069012 is 21096075.

It is a super-2 number, since 2×57069012² = 6513744261312288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57069011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9637 + ... + 14387.

It is an arithmetic number, because the mean of its divisors is an integer number (1862784).

Almost surely, 2^57069012 is an apocalyptic number.

57069012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57069012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89413632).

57069012 is an abundant number, since it is smaller than the sum of its proper divisors (121758252).

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

57069012 is a wasteful number, since it uses less digits than its factorization.

57069012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4789 (or 4787 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 57069012 is about 7554.4034840615. The cubic root of 57069012 is about 385.0053678905.

The spelling of 57069012 in words is "fifty-seven million, sixty-nine thousand, twelve".