57353390 has 16 divisors (see below), whose sum is σ = 103816080. Its totient is φ = 22813192.

The previous prime is 57353389. The next prime is 57353411. The reversal of 57353390 is 9335375.

It is a super-2 number, since 2×57353390² = 6578822688984200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57353390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320321 + ... + 320499.

It is an arithmetic number, because the mean of its divisors is an integer number (6488505).

Almost surely, 2^57353390 is an apocalyptic number.

57353390 is a deficient number, since it is larger than the sum of its proper divisors (46462690).

57353390 is an frugal number, since it uses more digits than its factorization.

57353390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 42525, while the sum is 35.

The square root of 57353390 is about 7573.2020968676. The cubic root of 57353390 is about 385.6438095157.

The spelling of 57353390 in words is "fifty-seven million, three hundred fifty-three thousand, three hundred ninety".