47553940 has 24 divisors (see below), whose sum is σ = 114129792. Its totient is φ = 16304160.

The previous prime is 47553923. The next prime is 47553943. The reversal of 47553940 is 4935574.

It is a super-2 number, since 2×47553940² = 4522754419047200, 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 47553940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47553943) 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, 169696 + ... + 169975.

It is an arithmetic number, because the mean of its divisors is an integer number (4755408).

Almost surely, 2^47553940 is an apocalyptic number.

It is an amenable number.

47553940 is an abundant number, since it is smaller than the sum of its proper divisors (66575852).

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

47553940 is a wasteful number, since it uses less digits than its factorization.

47553940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339687 (or 339685 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 47553940 is about 6895.9364846263. The cubic root of 47553940 is about 362.2948565802.

The spelling of 47553940 in words is "forty-seven million, five hundred fifty-three thousand, nine hundred forty".