49471880 has 16 divisors (see below), whose sum is σ = 111311820. Its totient is φ = 19788736.

The previous prime is 49471879. The next prime is 49471897. The reversal of 49471880 is 8817494.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 43586404 + 5885476 = 6602^2 + 2426^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618359 + ... + 618438.

Almost surely, 2^49471880 is an apocalyptic number.

49471880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49471880 is an abundant number, since it is smaller than the sum of its proper divisors (61839940).

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

49471880 is a wasteful number, since it uses less digits than its factorization.

49471880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236808 (or 1236804 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 49471880 is about 7033.6249544598. The cubic root of 49471880 is about 367.1014823287.

The spelling of 49471880 in words is "forty-nine million, four hundred seventy-one thousand, eight hundred eighty".