57476249 has 2 divisors, whose sum is σ = 57476250. Its totient is φ = 57476248.

The previous prime is 57476203. The next prime is 57476267. The reversal of 57476249 is 94267475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40195600 + 17280649 = 6340^2 + 4157^2 .

It is a cyclic number.

It is not a de Polignac number, because 57476249 - 2²⁰ = 56427673 is a prime.

It is a super-2 number, since 2×57476249² = 6607038398220002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57476849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28738124 + 28738125.

It is an arithmetic number, because the mean of its divisors is an integer number (28738125).

Almost surely, 2^57476249 is an apocalyptic number.

It is an amenable number.

57476249 is a deficient number, since it is larger than the sum of its proper divisors (1).

57476249 is an equidigital number, since it uses as much as digits as its factorization.

57476249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The square root of 57476249 is about 7581.3091877327. The cubic root of 57476249 is about 385.9189808212.

The spelling of 57476249 in words is "fifty-seven million, four hundred seventy-six thousand, two hundred forty-nine".