49172688 has 30 divisors (see below), whose sum is σ = 137615634. Its totient is φ = 16390848.

The previous prime is 49172671. The next prime is 49172713. The reversal of 49172688 is 88627194.

It can be written as a sum of positive squares in only one way, i.e., 29030544 + 20142144 = 5388^2 + 4488^2 .

It is a congruent number.

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, 170595 + ... + 170882.

Almost surely, 2^49172688 is an apocalyptic number.

49172688 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49172688 is an abundant number, since it is smaller than the sum of its proper divisors (88442946).

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

49172688 is a wasteful number, since it uses less digits than its factorization.

49172688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341491 (or 341482 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 49172688 is about 7012.3240084868. The cubic root of 49172688 is about 366.3599433082.

The spelling of 49172688 in words is "forty-nine million, one hundred seventy-two thousand, six hundred eighty-eight".