52277478 has 32 divisors (see below), whose sum is σ = 114452352. Its totient is φ = 15787200.

The previous prime is 52277461. The next prime is 52277497. The reversal of 52277478 is 87477225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20650 + ... + 23042.

It is an arithmetic number, because the mean of its divisors is an integer number (3576636).

Almost surely, 2^52277478 is an apocalyptic number.

52277478 is an abundant number, since it is smaller than the sum of its proper divisors (62174874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52277478 is a wasteful number, since it uses less digits than its factorization.

52277478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740.

The product of its digits is 219520, while the sum is 42.

The square root of 52277478 is about 7230.3165905789. The cubic root of 52277478 is about 373.9138419548.

The spelling of 52277478 in words is "fifty-two million, two hundred seventy-seven thousand, four hundred seventy-eight".