49215624 has 64 divisors (see below), whose sum is σ = 133060800. Its totient is φ = 15116544.

The previous prime is 49215623. The next prime is 49215659. The reversal of 49215624 is 42651294.

It is not an unprimeable number, because it can be changed into a prime (49215623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15414 + ... + 18330.

It is an arithmetic number, because the mean of its divisors is an integer number (2079075).

Almost surely, 2^49215624 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 49215624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66530400).

49215624 is an abundant number, since it is smaller than the sum of its proper divisors (83845176).

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

49215624 is a wasteful number, since it uses less digits than its factorization.

49215624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982 (or 2978 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 49215624 is about 7015.3848076923. The cubic root of 49215624 is about 366.4665435035.

The spelling of 49215624 in words is "forty-nine million, two hundred fifteen thousand, six hundred twenty-four".