57355542 has 24 divisors (see below), whose sum is σ = 124455240. Its totient is φ = 19090080.

The previous prime is 57355541. The next prime is 57355567. The reversal of 57355542 is 24555375.

It is a super-2 number, since 2×57355542² = 6579316396227528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57355497 and 57355506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57355541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12634 + ... + 16562.

It is an arithmetic number, because the mean of its divisors is an integer number (5185635).

Almost surely, 2^57355542 is an apocalyptic number.

57355542 is an abundant number, since it is smaller than the sum of its proper divisors (67099698).

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

57355542 is a wasteful number, since it uses less digits than its factorization.

57355542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748 (or 4745 counting only the distinct ones).

The product of its digits is 105000, while the sum is 36.

The square root of 57355542 is about 7573.3441754617. The cubic root of 57355542 is about 385.6486327999.

The spelling of 57355542 in words is "fifty-seven million, three hundred fifty-five thousand, five hundred forty-two".