23520552 has 96 divisors (see below), whose sum is σ = 66990240. Its totient is φ = 6822400.

The previous prime is 23520547. The next prime is 23520557. The reversal of 23520552 is 25502532.

It is an interprime number because it is at equal distance from previous prime (23520547) and next prime (23520557).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (23520557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 443758 + ... + 443810.

It is an arithmetic number, because the mean of its divisors is an integer number (697815).

Almost surely, 2^23520552 is an apocalyptic number.

23520552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23520552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33495120).

23520552 is an abundant number, since it is smaller than the sum of its proper divisors (43469688).

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

23520552 is a wasteful number, since it uses less digits than its factorization.

23520552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 23520552 is about 4849.7991710998. The cubic root of 23520552 is about 286.5161916844.

The spelling of 23520552 in words is "twenty-three million, five hundred twenty thousand, five hundred fifty-two".