57268402 has 4 divisors (see below), whose sum is σ = 85902606. Its totient is φ = 28634200.

The previous prime is 57268399. The next prime is 57268403. The reversal of 57268402 is 20486275.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 52693081 + 4575321 = 7259^2 + 2139^2 .

It is not an unprimeable number, because it can be changed into a prime (57268403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14317099 + ... + 14317102.

Almost surely, 2^57268402 is an apocalyptic number.

57268402 is a deficient number, since it is larger than the sum of its proper divisors (28634204).

57268402 is a wasteful number, since it uses less digits than its factorization.

57268402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28634203.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 57268402 is about 7567.5889158965. The cubic root of 57268402 is about 385.4532291015.

The spelling of 57268402 in words is "fifty-seven million, two hundred sixty-eight thousand, four hundred two".