57274631 has 8 divisors (see below), whose sum is σ = 59257200. Its totient is φ = 55315008.

The previous prime is 57274627. The next prime is 57274643. The reversal of 57274631 is 13647275.

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

It is a cyclic number.

It is not a de Polignac number, because 57274631 - 2² = 57274627 is a prime.

It is a super-2 number, since 2×57274631² = 6560766712372322, 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 = 57274591 and 57274600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57274601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581 + ... + 10718.

It is an arithmetic number, because the mean of its divisors is an integer number (7407150).

Almost surely, 2^57274631 is an apocalyptic number.

57274631 is a deficient number, since it is larger than the sum of its proper divisors (1982569).

57274631 is a wasteful number, since it uses less digits than its factorization.

57274631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11473.

The product of its digits is 35280, while the sum is 35.

The square root of 57274631 is about 7568.0004624736. Note that the first 3 decimals coincide. The cubic root of 57274631 is about 385.4672036554.

The spelling of 57274631 in words is "fifty-seven million, two hundred seventy-four thousand, six hundred thirty-one".