57420797 has 12 divisors (see below), whose sum is σ = 66966336. Its totient is φ = 49092120.

The previous prime is 57420791. The next prime is 57420821. The reversal of 57420797 is 79702475.

It is not a de Polignac number, because 57420797 - 2⁶ = 57420733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57420791) 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, 21422 + ... + 23952.

It is an arithmetic number, because the mean of its divisors is an integer number (5580528).

Almost surely, 2^57420797 is an apocalyptic number.

It is an amenable number.

57420797 is a deficient number, since it is larger than the sum of its proper divisors (9545539).

57420797 is a wasteful number, since it uses less digits than its factorization.

57420797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008 (or 3001 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 57420797 is about 7577.6511532268. The cubic root of 57420797 is about 385.7948317713.

The spelling of 57420797 in words is "fifty-seven million, four hundred twenty thousand, seven hundred ninety-seven".