57772992 has 56 divisors (see below), whose sum is σ = 153619200. Its totient is φ = 19161856.

The previous prime is 57772991. The next prime is 57772993. The reversal of 57772992 is 29927775.

It is an interprime number because it is at equal distance from previous prime (57772991) and next prime (57772993).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57772991) 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, 45259 + ... + 46517.

It is an arithmetic number, because the mean of its divisors is an integer number (2743200).

Almost surely, 2^57772992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57772992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76809600).

57772992 is an abundant number, since it is smaller than the sum of its proper divisors (95846208).

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

57772992 is a wasteful number, since it uses less digits than its factorization.

57772992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513 (or 1503 counting only the distinct ones).

The product of its digits is 555660, while the sum is 48.

The square root of 57772992 is about 7600.8546887834. The cubic root of 57772992 is about 386.5819922926.

The spelling of 57772992 in words is "fifty-seven million, seven hundred seventy-two thousand, nine hundred ninety-two".