57420333 has 10 divisors (see below), whose sum is σ = 85776174. Its totient is φ = 38280168.

The previous prime is 57420301. The next prime is 57420353. The reversal of 57420333 is 33302475.

57420333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 55398249 + 2022084 = 7443^2 + 1422^2 .

It is not a de Polignac number, because 57420333 - 2⁵ = 57420301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 57420297 and 57420306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57420353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 354366 + ... + 354527.

Almost surely, 2^57420333 is an apocalyptic number.

It is an amenable number.

57420333 is a deficient number, since it is larger than the sum of its proper divisors (28355841).

57420333 is an equidigital number, since it uses as much as digits as its factorization.

57420333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708905 (or 708896 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 57420333 is about 7577.6205368176. The cubic root of 57420333 is about 385.7937926049.

The spelling of 57420333 in words is "fifty-seven million, four hundred twenty thousand, three hundred thirty-three".