49903980 has 48 divisors (see below), whose sum is σ = 159694080. Its totient is φ = 11406528.

The previous prime is 49903979. The next prime is 49904021. The reversal of 49903980 is 8930994.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 58990 + ... + 59829.

It is an arithmetic number, because the mean of its divisors is an integer number (3326960).

Almost surely, 2^49903980 is an apocalyptic number.

It is an amenable number.

49903980 is an abundant number, since it is smaller than the sum of its proper divisors (109790100).

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

49903980 is a wasteful number, since it uses less digits than its factorization.

49903980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118838 (or 118836 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 49903980 is about 7064.2749097130. The cubic root of 49903980 is about 368.1671716056.

The spelling of 49903980 in words is "forty-nine million, nine hundred three thousand, nine hundred eighty".