47661552 has 30 divisors (see below), whose sum is σ = 133386552. Its totient is φ = 15887136.

The previous prime is 47661527. The next prime is 47661577. The reversal of 47661552 is 25516674.

It is a happy number.

47661552 is a `hidden beast` number, since 47 + 6 + 61 + 552 = 666.

47661552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47661527) and next prime (47661577).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 165348 + ... + 165635.

Almost surely, 2^47661552 is an apocalyptic number.

It is an amenable number.

47661552 is an abundant number, since it is smaller than the sum of its proper divisors (85725000).

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

47661552 is a wasteful number, since it uses less digits than its factorization.

47661552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330997 (or 330988 counting only the distinct ones).

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

The square root of 47661552 is about 6903.7346414821. The cubic root of 47661552 is about 362.5679352660.

The spelling of 47661552 in words is "forty-seven million, six hundred sixty-one thousand, five hundred fifty-two".