56523236 has 96 divisors (see below), whose sum is σ = 131604480. Its totient is φ = 20592000.

The previous prime is 56523221. The next prime is 56523241. The reversal of 56523236 is 63232565.

It is an alternating number because its digits alternate between odd and even.

Its product of digits (32400) is a multiple of the sum of its prime factors (225).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 559586 + ... + 559686.

It is an arithmetic number, because the mean of its divisors is an integer number (1370880).

Almost surely, 2^56523236 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 56523236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65802240).

56523236 is an abundant number, since it is smaller than the sum of its proper divisors (75081244).

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

56523236 is a wasteful number, since it uses less digits than its factorization.

56523236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 223 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

The square root of 56523236 is about 7518.1936660344. The cubic root of 56523236 is about 383.7741094042.

It can be divided in two parts, 5652 and 3236, that added together give a palindrome (8888).

The spelling of 56523236 in words is "fifty-six million, five hundred twenty-three thousand, two hundred thirty-six".