49217880 has 32 divisors (see below), whose sum is σ = 147654000. Its totient is φ = 13124736.

The previous prime is 49217851. The next prime is 49217893. The reversal of 49217880 is 8871294.

It is a congruent number.

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, 204955 + ... + 205194.

Almost surely, 2^49217880 is an apocalyptic number.

49217880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49217880 is an abundant number, since it is smaller than the sum of its proper divisors (98436120).

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

49217880 is a wasteful number, since it uses less digits than its factorization.

49217880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410163 (or 410159 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 49217880 is about 7015.5455953190. The cubic root of 49217880 is about 366.4721429170.

The spelling of 49217880 in words is "forty-nine million, two hundred seventeen thousand, eight hundred eighty".