57068988 has 24 divisors (see below), whose sum is σ = 133284480. Its totient is φ = 19005360.

The previous prime is 57068987. The next prime is 57069011. The reversal of 57068988 is 88986075.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 57068988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57068987) 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, 21283 + ... + 23813.

It is an arithmetic number, because the mean of its divisors is an integer number (5553520).

Almost surely, 2^57068988 is an apocalyptic number.

It is an amenable number.

57068988 is an abundant number, since it is smaller than the sum of its proper divisors (76215492).

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

57068988 is a wasteful number, since it uses less digits than its factorization.

57068988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4417 (or 4415 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 51.

The square root of 57068988 is about 7554.4018955838. The cubic root of 57068988 is about 385.0053139200.

The spelling of 57068988 in words is "fifty-seven million, sixty-eight thousand, nine hundred eighty-eight".