48181512 has 32 divisors (see below), whose sum is σ = 120794400. Its totient is φ = 16015104.

The previous prime is 48181493. The next prime is 48181537. The reversal of 48181512 is 21518184.

It is a happy number.

It is a super-2 number, since 2×48181512² = 4642916197212288, 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 48181512.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6448 + ... + 11744.

It is an arithmetic number, because the mean of its divisors is an integer number (3774825).

Almost surely, 2^48181512 is an apocalyptic number.

It is an amenable number.

48181512 is an abundant number, since it is smaller than the sum of its proper divisors (72612888).

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

48181512 is a wasteful number, since it uses less digits than its factorization.

48181512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5685 (or 5681 counting only the distinct ones).

The product of its digits is 2560, while the sum is 30.

The square root of 48181512 is about 6941.2903699528. The cubic root of 48181512 is about 363.8816384478.

Adding to 48181512 its reverse (21518184), we get a palindrome (69699696).

The spelling of 48181512 in words is "forty-eight million, one hundred eighty-one thousand, five hundred twelve".