49515804 has 72 divisors (see below), whose sum is σ = 139181952. Its totient is φ = 14739840.

The previous prime is 49515779. The next prime is 49515811. The reversal of 49515804 is 40851594.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12802 + ... + 16214.

Almost surely, 2^49515804 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 49515804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69590976).

49515804 is an abundant number, since it is smaller than the sum of its proper divisors (89666148).

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

49515804 is a wasteful number, since it uses less digits than its factorization.

49515804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467 (or 3462 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 49515804 is about 7036.7466914761. The cubic root of 49515804 is about 367.2100948426.

The spelling of 49515804 in words is "forty-nine million, five hundred fifteen thousand, eight hundred four".