49721908 has 12 divisors (see below), whose sum is σ = 87171840. Its totient is φ = 24815672.

The previous prime is 49721899. The next prime is 49721927. The reversal of 49721908 is 80912794.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8788 + ... + 13291.

It is an arithmetic number, because the mean of its divisors is an integer number (7264320).

Almost surely, 2^49721908 is an apocalyptic number.

It is an amenable number.

49721908 is a deficient number, since it is larger than the sum of its proper divisors (37449932).

49721908 is a wasteful number, since it uses less digits than its factorization.

49721908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22646 (or 22644 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 49721908 is about 7051.3763195563. The cubic root of 49721908 is about 367.7188799000.

The spelling of 49721908 in words is "forty-nine million, seven hundred twenty-one thousand, nine hundred eight".