57492340 has 12 divisors (see below), whose sum is σ = 120733956. Its totient is φ = 22996928.

The previous prime is 57492307. The next prime is 57492343. The reversal of 57492340 is 4329475.

It can be written as a sum of positive squares in 2 ways, for example, as 9771876 + 47720464 = 3126^2 + 6908^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57492296 and 57492305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57492343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1437289 + ... + 1437328.

It is an arithmetic number, because the mean of its divisors is an integer number (10061163).

Almost surely, 2^57492340 is an apocalyptic number.

It is an amenable number.

57492340 is an abundant number, since it is smaller than the sum of its proper divisors (63241616).

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

57492340 is a wasteful number, since it uses less digits than its factorization.

57492340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874626 (or 2874624 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 57492340 is about 7582.3703417863. The cubic root of 57492340 is about 385.9549913068.

The spelling of 57492340 in words is "fifty-seven million, four hundred ninety-two thousand, three hundred forty".