49631580 has 72 divisors (see below), whose sum is σ = 152067552. Its totient is φ = 13101696.

The previous prime is 49631573. The next prime is 49631597. The reversal of 49631580 is 8513694.

49631580 is a `hidden beast` number, since 49 + 6 + 31 + 580 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17202 + ... + 19878.

Almost surely, 2^49631580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49631580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76033776).

49631580 is an abundant number, since it is smaller than the sum of its proper divisors (102435972).

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

49631580 is a wasteful number, since it uses less digits than its factorization.

49631580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795 (or 2790 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 49631580 is about 7044.9684172465. The cubic root of 49631580 is about 367.4960710395.

The spelling of 49631580 in words is "forty-nine million, six hundred thirty-one thousand, five hundred eighty".