57420033 has 32 divisors (see below), whose sum is σ = 93104640. Its totient is φ = 31023360.

The previous prime is 57420031. The next prime is 57420037. The reversal of 57420033 is 33002475.

It is not a de Polignac number, because 57420033 - 2¹ = 57420031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57419985 and 57420012.

It is not an unprimeable number, because it can be changed into a prime (57420031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7966 + ... + 13352.

It is an arithmetic number, because the mean of its divisors is an integer number (2909520).

Almost surely, 2^57420033 is an apocalyptic number.

It is an amenable number.

57420033 is a deficient number, since it is larger than the sum of its proper divisors (35684607).

57420033 is a wasteful number, since it uses less digits than its factorization.

57420033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 57420033 is about 7577.6007416596. The cubic root of 57420033 is about 385.7931207271.

The spelling of 57420033 in words is "fifty-seven million, four hundred twenty thousand, thirty-three".