52278192 has 30 divisors (see below), whose sum is σ = 146306732. Its totient is φ = 17426016.

The previous prime is 52278133. The next prime is 52278217. The reversal of 52278192 is 29187225.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 181378 + ... + 181665.

Almost surely, 2^52278192 is an apocalyptic number.

It is an amenable number.

52278192 is an abundant number, since it is smaller than the sum of its proper divisors (94028540).

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

52278192 is a wasteful number, since it uses less digits than its factorization.

52278192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363057 (or 363048 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 52278192 is about 7230.3659658416. The cubic root of 52278192 is about 373.9155442383.

The spelling of 52278192 in words is "fifty-two million, two hundred seventy-eight thousand, one hundred ninety-two".