57047032 has 16 divisors (see below), whose sum is σ = 122243760. Its totient is φ = 24448704.

The previous prime is 57046999. The next prime is 57047051. The reversal of 57047032 is 23074075.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509293 + ... + 509404.

It is an arithmetic number, because the mean of its divisors is an integer number (7640235).

Almost surely, 2^57047032 is an apocalyptic number.

It is an amenable number.

57047032 is an abundant number, since it is smaller than the sum of its proper divisors (65196728).

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

57047032 is a wasteful number, since it uses less digits than its factorization.

57047032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018710 (or 1018706 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 57047032 is about 7552.9485633096. The cubic root of 57047032 is about 384.9559335633.

The spelling of 57047032 in words is "fifty-seven million, forty-seven thousand, thirty-two".