47888540 has 24 divisors (see below), whose sum is σ = 114932832. Its totient is φ = 16418880.

The previous prime is 47888539. The next prime is 47888543. The reversal of 47888540 is 4588874.

It is a junction number, because it is equal to n+sod(n) for n = 47888491 and 47888500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47888543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170891 + ... + 171170.

It is an arithmetic number, because the mean of its divisors is an integer number (4788868).

Almost surely, 2^47888540 is an apocalyptic number.

It is an amenable number.

47888540 is an abundant number, since it is smaller than the sum of its proper divisors (67044292).

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

47888540 is a wasteful number, since it uses less digits than its factorization.

47888540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342077 (or 342075 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 44.

The square root of 47888540 is about 6920.1546225500. The cubic root of 47888540 is about 363.1426001879.

The spelling of 47888540 in words is "forty-seven million, eight hundred eighty-eight thousand, five hundred forty".