49973976 has 144 divisors (see below), whose sum is σ = 154488600. Its totient is φ = 14961024.

The previous prime is 49973969. The next prime is 49973977. The reversal of 49973976 is 67937994.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49973977) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1350630 + ... + 1350666.

Almost surely, 2^49973976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49973976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77244300).

49973976 is an abundant number, since it is smaller than the sum of its proper divisors (104514624).

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

49973976 is a wasteful number, since it uses less digits than its factorization.

49973976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 55 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 54.

The square root of 49973976 is about 7069.2273976723. The cubic root of 49973976 is about 368.3392232814.

Multiplying 49973976 by its sum of digits (54), we get a square (2698594704 = 51948²).

49973976 divided by its sum of digits (54) gives a square (925444 = 962²).

The spelling of 49973976 in words is "forty-nine million, nine hundred seventy-three thousand, nine hundred seventy-six".