57946747 has 2 divisors, whose sum is σ = 57946748. Its totient is φ = 57946746.

The previous prime is 57946717. The next prime is 57946769. The reversal of 57946747 is 74764975.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57946747 - 2⁷ = 57946619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57946747.

It is not a weakly prime, because it can be changed into another prime (57946717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28973373 + 28973374.

It is an arithmetic number, because the mean of its divisors is an integer number (28973374).

Almost surely, 2^57946747 is an apocalyptic number.

57946747 is a deficient number, since it is larger than the sum of its proper divisors (1).

57946747 is an equidigital number, since it uses as much as digits as its factorization.

57946747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1481760, while the sum is 49.

The square root of 57946747 is about 7612.2760722402. The cubic root of 57946747 is about 386.9691589397.

The spelling of 57946747 in words is "fifty-seven million, nine hundred forty-six thousand, seven hundred forty-seven".