57250402 has 8 divisors (see below), whose sum is σ = 93682512. Its totient is φ = 26022900.

The previous prime is 57250393. The next prime is 57250409. The reversal of 57250402 is 20405275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (57250409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1301124 + ... + 1301167.

It is an arithmetic number, because the mean of its divisors is an integer number (11710314).

Almost surely, 2^57250402 is an apocalyptic number.

57250402 is a deficient number, since it is larger than the sum of its proper divisors (36432110).

57250402 is a wasteful number, since it uses less digits than its factorization.

57250402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602304.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 57250402 is about 7566.3995400719. The cubic root of 57250402 is about 385.4128410054.

Adding to 57250402 its reverse (20405275), we get a palindrome (77655677).

The spelling of 57250402 in words is "fifty-seven million, two hundred fifty thousand, four hundred two".