48815988 has 36 divisors (see below), whose sum is σ = 123344928. Its totient is φ = 15019680.

The previous prime is 48815983. The next prime is 48816013. The reversal of 48815988 is 88951884.

It is a happy number.

It is a super-2 number, since 2×48815988² = 4766001368832288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 48815988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48815981) 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, 10008 + ... + 14063.

It is an arithmetic number, because the mean of its divisors is an integer number (3426248).

Almost surely, 2^48815988 is an apocalyptic number.

It is an amenable number.

48815988 is an abundant number, since it is smaller than the sum of its proper divisors (74528940).

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

48815988 is a wasteful number, since it uses less digits than its factorization.

48815988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24104 (or 24089 counting only the distinct ones).

The product of its digits is 737280, while the sum is 51.

The square root of 48815988 is about 6986.8439226878. The cubic root of 48815988 is about 365.4719309883.

The spelling of 48815988 in words is "forty-eight million, eight hundred fifteen thousand, nine hundred eighty-eight".