48815720 has 16 divisors (see below), whose sum is σ = 109835460. Its totient is φ = 19526272.

The previous prime is 48815713. The next prime is 48815737. The reversal of 48815720 is 2751884.

It can be written as a sum of positive squares in 2 ways, for example, as 48413764 + 401956 = 6958^2 + 634^2 .

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, 610157 + ... + 610236.

Almost surely, 2^48815720 is an apocalyptic number.

48815720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48815720 is an abundant number, since it is smaller than the sum of its proper divisors (61019740).

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

48815720 is a wasteful number, since it uses less digits than its factorization.

48815720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220404 (or 1220400 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 48815720 is about 6986.8247437588. The cubic root of 48815720 is about 365.4712621729.

It can be divided in two parts, 4881 and 5720, that added together give a palindrome (10601).

The spelling of 48815720 in words is "forty-eight million, eight hundred fifteen thousand, seven hundred twenty".