52278475 has 6 divisors (see below), whose sum is σ = 64825340. Its totient is φ = 41822760.

The previous prime is 52278469. The next prime is 52278547. The reversal of 52278475 is 57487225.

It is a happy number.

It is not a de Polignac number, because 52278475 - 2¹⁹ = 51754187 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1045545 + ... + 1045594.

Almost surely, 2^52278475 is an apocalyptic number.

52278475 is a deficient number, since it is larger than the sum of its proper divisors (12546865).

52278475 is a wasteful number, since it uses less digits than its factorization.

52278475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091149 (or 2091144 counting only the distinct ones).

The product of its digits is 156800, while the sum is 40.

The square root of 52278475 is about 7230.3855360555. The cubic root of 52278475 is about 373.9162189486.

The spelling of 52278475 in words is "fifty-two million, two hundred seventy-eight thousand, four hundred seventy-five".