49278152 has 32 divisors (see below), whose sum is σ = 115197120. Its totient is φ = 19199040.

The previous prime is 49278133. The next prime is 49278169. The reversal of 49278152 is 25187294.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39383 + ... + 40614.

It is an arithmetic number, because the mean of its divisors is an integer number (3599910).

Almost surely, 2^49278152 is an apocalyptic number.

It is an amenable number.

49278152 is an abundant number, since it is smaller than the sum of its proper divisors (65918968).

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

49278152 is a wasteful number, since it uses less digits than its factorization.

49278152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80021 (or 80017 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 49278152 is about 7019.8398842139. The cubic root of 49278152 is about 366.6216752877.

The spelling of 49278152 in words is "forty-nine million, two hundred seventy-eight thousand, one hundred fifty-two".