47552940 has 96 divisors (see below), whose sum is σ = 149506560. Its totient is φ = 12547008.

The previous prime is 47552933. The next prime is 47553007. The reversal of 47552940 is 4925574.

It is a super-2 number, since 2×47552940² = 4522564205287200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 47552895 and 47552904.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57369 + ... + 58191.

It is an arithmetic number, because the mean of its divisors is an integer number (1557360).

Almost surely, 2^47552940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47552940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74753280).

47552940 is an abundant number, since it is smaller than the sum of its proper divisors (101953620).

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

47552940 is a wasteful number, since it uses less digits than its factorization.

47552940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 47552940 is about 6895.8639777768. The cubic root of 47552940 is about 362.2923170262.

The spelling of 47552940 in words is "forty-seven million, five hundred fifty-two thousand, nine hundred forty".