57039330 has 32 divisors (see below), whose sum is σ = 144100800. Its totient is φ = 14409792.

The previous prime is 57039329. The next prime is 57039361. The reversal of 57039330 is 3393075.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49465 + ... + 50604.

It is an arithmetic number, because the mean of its divisors is an integer number (4503150).

Almost surely, 2^57039330 is an apocalyptic number.

57039330 is an abundant number, since it is smaller than the sum of its proper divisors (87061470).

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

57039330 is a wasteful number, since it uses less digits than its factorization.

57039330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100098.

The product of its (nonzero) digits is 8505, while the sum is 30.

The square root of 57039330 is about 7552.4386789963. The cubic root of 57039330 is about 384.9386083029.

The spelling of 57039330 in words is "fifty-seven million, thirty-nine thousand, three hundred thirty".