47553808 has 30 divisors (see below), whose sum is σ = 97251774. Its totient is φ = 22522752.

The previous prime is 47553799. The next prime is 47553817. The reversal of 47553808 is 80835574.

It is an interprime number because it is at equal distance from previous prime (47553799) and next prime (47553817).

It can be written as a sum of positive squares in only one way, i.e., 34245904 + 13307904 = 5852^2 + 3648^2 .

It is a super-2 number, since 2×47553808² = 4522729310601728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1660 + ... + 9892.

Almost surely, 2^47553808 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 47553808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48625887).

47553808 is an abundant number, since it is smaller than the sum of its proper divisors (49697966).

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

47553808 is a wasteful number, since it uses less digits than its factorization.

47553808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8279 (or 8254 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 47553808 is about 6895.9269137658. The cubic root of 47553808 is about 362.2945213611.

The spelling of 47553808 in words is "forty-seven million, five hundred fifty-three thousand, eight hundred eight".