57015992 has 16 divisors (see below), whose sum is σ = 116623800. Its totient is φ = 25916320.

The previous prime is 57015991. The next prime is 57015997. The reversal of 57015992 is 29951075.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57015991) by changing a digit.

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, 323867 + ... + 324042.

Almost surely, 2^57015992 is an apocalyptic number.

It is an amenable number.

57015992 is an abundant number, since it is smaller than the sum of its proper divisors (59607808).

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

57015992 is a wasteful number, since it uses less digits than its factorization.

57015992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647926 (or 647922 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 57015992 is about 7550.8934570685. The cubic root of 57015992 is about 384.8861011249.

The spelling of 57015992 in words is "fifty-seven million, fifteen thousand, nine hundred ninety-two".