57038311 has 6 divisors (see below), whose sum is σ = 62695136. Its totient is φ = 51852900.

The previous prime is 57038291. The next prime is 57038327. The reversal of 57038311 is 11383075.

It is not a de Polignac number, because 57038311 - 2¹¹ = 57036263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57038311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57038411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235575 + ... + 235816.

Almost surely, 2^57038311 is an apocalyptic number.

57038311 is a deficient number, since it is larger than the sum of its proper divisors (5656825).

57038311 is a wasteful number, since it uses less digits than its factorization.

57038311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471413 (or 471402 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 57038311 is about 7552.3712170417. The cubic root of 57038311 is about 384.9363159970.

The spelling of 57038311 in words is "fifty-seven million, thirty-eight thousand, three hundred eleven".