57409350 has 24 divisors (see below), whose sum is σ = 142375560. Its totient is φ = 15309120.

The previous prime is 57409337. The next prime is 57409351. The reversal of 57409350 is 5390475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57409351) 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, 191215 + ... + 191514.

It is an arithmetic number, because the mean of its divisors is an integer number (5932315).

Almost surely, 2^57409350 is an apocalyptic number.

57409350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57409350 is an abundant number, since it is smaller than the sum of its proper divisors (84966210).

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

57409350 is a wasteful number, since it uses less digits than its factorization.

57409350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382744 (or 382739 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 57409350 is about 7576.8958023718. The cubic root of 57409350 is about 385.7691936334.

The spelling of 57409350 in words is "fifty-seven million, four hundred nine thousand, three hundred fifty".