57061751 has 2 divisors, whose sum is σ = 57061752. Its totient is φ = 57061750.

The previous prime is 57061747. The next prime is 57061757. The reversal of 57061751 is 15716075.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57061751 - 2² = 57061747 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57061757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28530875 + 28530876.

It is an arithmetic number, because the mean of its divisors is an integer number (28530876).

Almost surely, 2^57061751 is an apocalyptic number.

57061751 is a deficient number, since it is larger than the sum of its proper divisors (1).

57061751 is an equidigital number, since it uses as much as digits as its factorization.

57061751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 57061751 is about 7553.9228881423. The cubic root of 57061751 is about 384.9890388739.

The spelling of 57061751 in words is "fifty-seven million, sixty-one thousand, seven hundred fifty-one".