47255488 has 56 divisors (see below), whose sum is σ = 107830112. Its totient is φ = 20127744.

The previous prime is 47255479. The next prime is 47255491. The reversal of 47255488 is 88455274.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×47255488² = 4466162292236288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140056 + ... + 140392.

Almost surely, 2^47255488 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 47255488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53915056).

47255488 is an abundant number, since it is smaller than the sum of its proper divisors (60574624).

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

47255488 is a wasteful number, since it uses less digits than its factorization.

47255488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 659 counting only the distinct ones).

The product of its digits is 358400, while the sum is 43.

The square root of 47255488 is about 6874.2627241036. The cubic root of 47255488 is about 361.5353357625.

The spelling of 47255488 in words is "forty-seven million, two hundred fifty-five thousand, four hundred eighty-eight".