49971936 has 48 divisors (see below), whose sum is σ = 149917824. Its totient is φ = 14277504.

The previous prime is 49971917. The next prime is 49971947. The reversal of 49971936 is 63917994.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 36510 + ... + 37853.

It is an arithmetic number, because the mean of its divisors is an integer number (3123288).

Almost surely, 2^49971936 is an apocalyptic number.

It is an amenable number.

49971936 is an abundant number, since it is smaller than the sum of its proper divisors (99945888).

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

49971936 is a wasteful number, since it uses less digits than its factorization.

49971936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74383 (or 74375 counting only the distinct ones).

The product of its digits is 367416, while the sum is 48.

The square root of 49971936 is about 7069.0831088621. The cubic root of 49971936 is about 368.3342111911.

The spelling of 49971936 in words is "forty-nine million, nine hundred seventy-one thousand, nine hundred thirty-six".