57051592 has 96 divisors (see below), whose sum is σ = 129601080. Its totient is φ = 23316480.

The previous prime is 57051587. The next prime is 57051601. The reversal of 57051592 is 29515075.

It can be written as a sum of positive squares in 4 ways, for example, as 30980356 + 26071236 = 5566^2 + 5106^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 935242 + ... + 935302.

Almost surely, 2^57051592 is an apocalyptic number.

57051592 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 57051592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64800540).

57051592 is an abundant number, since it is smaller than the sum of its proper divisors (72549488).

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

57051592 is a wasteful number, since it uses less digits than its factorization.

57051592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 57051592 is about 7553.2504261411. The cubic root of 57051592 is about 384.9661903182.

The spelling of 57051592 in words is "fifty-seven million, fifty-one thousand, five hundred ninety-two".