23775552 has 56 divisors (see below), whose sum is σ = 69900800. Its totient is φ = 7924608.

The previous prime is 23775529. The next prime is 23775559. The reversal of 23775552 is 25557732.

It is a happy number.

23775552 is a `hidden beast` number, since 2 + 37 + 75 + 552 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23775559) 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, 5152 + ... + 8607.

Almost surely, 2^23775552 is an apocalyptic number.

It is an amenable number.

23775552 is an abundant number, since it is smaller than the sum of its proper divisors (46125248).

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

23775552 is a wasteful number, since it uses less digits than its factorization.

23775552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13780 (or 13764 counting only the distinct ones).

The product of its digits is 73500, while the sum is 36.

The square root of 23775552 is about 4876.0180475466. The cubic root of 23775552 is about 287.5479017853.

The spelling of 23775552 in words is "twenty-three million, seven hundred seventy-five thousand, five hundred fifty-two".