47421552 has 40 divisors (see below), whose sum is σ = 123992064. Its totient is φ = 15615424.

The previous prime is 47421547. The next prime is 47421557. The reversal of 47421552 is 25512474.

It is an interprime number because it is at equal distance from previous prime (47421547) and next prime (47421557).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47421557) 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, 1968 + ... + 9935.

Almost surely, 2^47421552 is an apocalyptic number.

It is an amenable number.

47421552 is an abundant number, since it is smaller than the sum of its proper divisors (76570512).

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

47421552 is a wasteful number, since it uses less digits than its factorization.

47421552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11997 (or 11991 counting only the distinct ones).

The product of its digits is 11200, while the sum is 30.

The square root of 47421552 is about 6886.3308082026. The cubic root of 47421552 is about 361.9583399857.

The spelling of 47421552 in words is "forty-seven million, four hundred twenty-one thousand, five hundred fifty-two".