49215580 has 48 divisors (see below), whose sum is σ = 108210816. Its totient is φ = 18782720.

The previous prime is 49215557. The next prime is 49215601. The reversal of 49215580 is 8551294.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37902 + ... + 39178.

It is an arithmetic number, because the mean of its divisors is an integer number (2254392).

Almost surely, 2^49215580 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 49215580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54105408).

49215580 is an abundant number, since it is smaller than the sum of its proper divisors (58995236).

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

49215580 is a wasteful number, since it uses less digits than its factorization.

49215580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374 (or 1372 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 49215580 is about 7015.3816717268. The cubic root of 49215580 is about 366.4664342933.

It can be divided in two parts, 4921 and 5580, that added together give a palindrome (10501).

The spelling of 49215580 in words is "forty-nine million, two hundred fifteen thousand, five hundred eighty".