49528980 has 36 divisors (see below), whose sum is σ = 150238452. Its totient is φ = 13207680.

The previous prime is 49528957. The next prime is 49528981. The reversal of 49528980 is 8982594.

49528980 is a `hidden beast` number, since 49 + 528 + 9 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 33942276 + 15586704 = 5826^2 + 3948^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49528981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137401 + ... + 137760.

Almost surely, 2^49528980 is an apocalyptic number.

It is an amenable number.

49528980 is an abundant number, since it is smaller than the sum of its proper divisors (100709472).

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

49528980 is a wasteful number, since it uses less digits than its factorization.

49528980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275176 (or 275171 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 49528980 is about 7037.6828573047. The cubic root of 49528980 is about 367.2426631051.

The spelling of 49528980 in words is "forty-nine million, five hundred twenty-eight thousand, nine hundred eighty".