47550940 has 24 divisors (see below), whose sum is σ = 100007712. Its totient is φ = 18991680.

The previous prime is 47550917. The next prime is 47550941. The reversal of 47550940 is 4905574.

It is a super-2 number, since 2×47550940² = 4522183789767200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47550896 and 47550905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47550941) 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, 16185 + ... + 18895.

It is an arithmetic number, because the mean of its divisors is an integer number (4166988).

Almost surely, 2^47550940 is an apocalyptic number.

It is an amenable number.

47550940 is an abundant number, since it is smaller than the sum of its proper divisors (52456772).

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

47550940 is a wasteful number, since it uses less digits than its factorization.

47550940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597 (or 3595 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 47550940 is about 6895.7189617907. The cubic root of 47550940 is about 362.2872378114.

It can be divided in two parts, 475 and 50940, that added together give a palindrome (51415).

The spelling of 47550940 in words is "forty-seven million, five hundred fifty thousand, nine hundred forty".