49751964 has 18 divisors (see below), whose sum is σ = 125762000. Its totient is φ = 16583976.

The previous prime is 49751963. The next prime is 49752007. The reversal of 49751964 is 46915794.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49751963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 690964 + ... + 691035.

Almost surely, 2^49751964 is an apocalyptic number.

It is an amenable number.

49751964 is an abundant number, since it is smaller than the sum of its proper divisors (76010036).

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

49751964 is a wasteful number, since it uses less digits than its factorization.

49751964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382009 (or 1382004 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 49751964 is about 7053.5072127276. The cubic root of 49751964 is about 367.7929581277.

The spelling of 49751964 in words is "forty-nine million, seven hundred fifty-one thousand, nine hundred sixty-four".