52857458 has 4 divisors (see below), whose sum is σ = 79286190. Its totient is φ = 26428728.

The previous prime is 52857433. The next prime is 52857461. The reversal of 52857458 is 85475825.

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., 40233649 + 12623809 = 6343^2 + 3553^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13214363 + ... + 13214366.

Almost surely, 2^52857458 is an apocalyptic number.

52857458 is a deficient number, since it is larger than the sum of its proper divisors (26428732).

52857458 is a wasteful number, since it uses less digits than its factorization.

52857458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26428731.

The product of its digits is 448000, while the sum is 44.

The square root of 52857458 is about 7270.3134732967. The cubic root of 52857458 is about 375.2915256051.

The spelling of 52857458 in words is "fifty-two million, eight hundred fifty-seven thousand, four hundred fifty-eight".