49759872 has 64 divisors (see below), whose sum is σ = 133587360. Its totient is φ = 16409600.

The previous prime is 49759861. The next prime is 49759873. The reversal of 49759872 is 27895794.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×49759872² = 4952089722912768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49759873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38143 + ... + 39425.

Almost surely, 2^49759872 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 49759872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66793680).

49759872 is an abundant number, since it is smaller than the sum of its proper divisors (83827488).

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

49759872 is a wasteful number, since it uses less digits than its factorization.

49759872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401 (or 1389 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 51.

The square root of 49759872 is about 7054.0677626459. The cubic root of 49759872 is about 367.8124438082.

The spelling of 49759872 in words is "forty-nine million, seven hundred fifty-nine thousand, eight hundred seventy-two".