50978464 has 24 divisors (see below), whose sum is σ = 100675008. Its totient is φ = 25410240.

The previous prime is 50978423. The next prime is 50978467. The reversal of 50978464 is 46487905.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 50978464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50978467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8809 + ... + 13399.

It is an arithmetic number, because the mean of its divisors is an integer number (4194792).

Almost surely, 2^50978464 is an apocalyptic number.

It is an amenable number.

50978464 is a deficient number, since it is larger than the sum of its proper divisors (49696544).

50978464 is a wasteful number, since it uses less digits than its factorization.

50978464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4948 (or 4940 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 50978464 is about 7139.9204477361. The cubic root of 50978464 is about 370.7907703987.

The spelling of 50978464 in words is "fifty million, nine hundred seventy-eight thousand, four hundred sixty-four".