57049631 has 8 divisors (see below), whose sum is σ = 57719760. Its totient is φ = 56383488.

The previous prime is 57049621. The next prime is 57049639. The reversal of 57049631 is 13694075.

57049631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57049631 is a prime.

It is a super-2 number, since 2×57049631² = 6509320794472322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57049591 and 57049600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57049639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34925 + ... + 36521.

It is an arithmetic number, because the mean of its divisors is an integer number (7214970).

Almost surely, 2^57049631 is an apocalyptic number.

57049631 is a deficient number, since it is larger than the sum of its proper divisors (670129).

57049631 is a wasteful number, since it uses less digits than its factorization.

57049631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 57049631 is about 7553.1206133624. The cubic root of 57049631 is about 384.9617795307.

The spelling of 57049631 in words is "fifty-seven million, forty-nine thousand, six hundred thirty-one".