57202047 has 12 divisors (see below), whose sum is σ = 94428880. Its totient is φ = 32686848.

The previous prime is 57202039. The next prime is 57202051. The reversal of 57202047 is 74020275.

It is not a de Polignac number, because 57202047 - 2³ = 57202039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57202047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57202247) 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 11 ways as a sum of consecutive naturals, for example, 453922 + ... + 454047.

Almost surely, 2^57202047 is an apocalyptic number.

57202047 is a deficient number, since it is larger than the sum of its proper divisors (37226833).

57202047 is a wasteful number, since it uses less digits than its factorization.

57202047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907982 (or 907979 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 57202047 is about 7563.2034879408. The cubic root of 57202047 is about 385.3043009387.

The spelling of 57202047 in words is "fifty-seven million, two hundred two thousand, forty-seven".