57150551 has 2 divisors, whose sum is σ = 57150552. Its totient is φ = 57150550.

The previous prime is 57150539. The next prime is 57150629. The reversal of 57150551 is 15505175.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57150551 - 2¹⁴ = 57134167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57150521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28575275 + 28575276.

It is an arithmetic number, because the mean of its divisors is an integer number (28575276).

Almost surely, 2^57150551 is an apocalyptic number.

57150551 is a deficient number, since it is larger than the sum of its proper divisors (1).

57150551 is an equidigital number, since it uses as much as digits as its factorization.

57150551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4375, while the sum is 29.

The square root of 57150551 is about 7559.7983438713. The cubic root of 57150551 is about 385.1886431465.

The spelling of 57150551 in words is "fifty-seven million, one hundred fifty thousand, five hundred fifty-one".