49977480 has 64 divisors (see below), whose sum is σ = 171354240. Its totient is φ = 11423232.

The previous prime is 49977449. The next prime is 49977493. The reversal of 49977480 is 8477994.

It is a happy 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, 28909 + ... + 30588.

It is an arithmetic number, because the mean of its divisors is an integer number (2677410).

Almost surely, 2^49977480 is an apocalyptic number.

49977480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49977480 is an abundant number, since it is smaller than the sum of its proper divisors (121376760).

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

49977480 is a wasteful number, since it uses less digits than its factorization.

49977480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59518 (or 59514 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 49977480 is about 7069.4752280491. The cubic root of 49977480 is about 368.3478319652.

The spelling of 49977480 in words is "forty-nine million, nine hundred seventy-seven thousand, four hundred eighty".