49451772 has 12 divisors (see below), whose sum is σ = 115387496. Its totient is φ = 16483920.

The previous prime is 49451767. The next prime is 49451783. The reversal of 49451772 is 27715494.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 49451772.

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, 2060479 + ... + 2060502.

Almost surely, 2^49451772 is an apocalyptic number.

It is an amenable number.

49451772 is an abundant number, since it is smaller than the sum of its proper divisors (65935724).

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

49451772 is a wasteful number, since it uses less digits than its factorization.

49451772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4120988 (or 4120986 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 49451772 is about 7032.1953897769. The cubic root of 49451772 is about 367.0517390744.

The spelling of 49451772 in words is "forty-nine million, four hundred fifty-one thousand, seven hundred seventy-two".