48661540 has 12 divisors (see below), whose sum is σ = 102189276. Its totient is φ = 19464608.

The previous prime is 48661523. The next prime is 48661553. The reversal of 48661540 is 4516684.

It can be written as a sum of positive squares in 2 ways, for example, as 11792356 + 36869184 = 3434^2 + 6072^2 .

It is a junction number, because it is equal to n+sod(n) for n = 48661496 and 48661505.

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, 1216519 + ... + 1216558.

It is an arithmetic number, because the mean of its divisors is an integer number (8515773).

Almost surely, 2^48661540 is an apocalyptic number.

It is an amenable number.

48661540 is an abundant number, since it is smaller than the sum of its proper divisors (53527736).

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

48661540 is a wasteful number, since it uses less digits than its factorization.

48661540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433086 (or 2433084 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 48661540 is about 6975.7823933950. The cubic root of 48661540 is about 365.0860871566.

It can be divided in two parts, 486 and 61540, that added together give a palindrome (62026).

The spelling of 48661540 in words is "forty-eight million, six hundred sixty-one thousand, five hundred forty".