57456330 has 32 divisors (see below), whose sum is σ = 142345728. Its totient is φ = 14827200.

The previous prime is 57456283. The next prime is 57456331. The reversal of 57456330 is 3365475.

It is a junction number, because it is equal to n+sod(n) for n = 57456291 and 57456300.

It is not an unprimeable number, because it can be changed into a prime (57456331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29961 + ... + 31820.

It is an arithmetic number, because the mean of its divisors is an integer number (4448304).

Almost surely, 2^57456330 is an apocalyptic number.

57456330 is an abundant number, since it is smaller than the sum of its proper divisors (84889398).

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

57456330 is a wasteful number, since it uses less digits than its factorization.

57456330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61822.

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 57456330 is about 7579.9953825843. The cubic root of 57456330 is about 385.8743942398.

The spelling of 57456330 in words is "fifty-seven million, four hundred fifty-six thousand, three hundred thirty".