54523656 has 96 divisors (see below), whose sum is σ = 164941920. Its totient is φ = 16128000.

The previous prime is 54523649. The next prime is 54523657. The reversal of 54523656 is 65632545.

It is a happy number.

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

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

It is a self number, because there is not a number n which added to its sum of digits gives 54523656.

It is not an unprimeable number, because it can be changed into a prime (54523657) 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, 33256 + ... + 34856.

It is an arithmetic number, because the mean of its divisors is an integer number (1718145).

Almost surely, 2^54523656 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 54523656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82470960).

54523656 is an abundant number, since it is smaller than the sum of its proper divisors (110418264).

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

54523656 is a wasteful number, since it uses less digits than its factorization.

54523656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667 (or 1660 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 54523656 is about 7384.0135427828. The cubic root of 54523656 is about 379.1941741881.

Subtracting 54523656 from its reverse (65632545), we obtain a square (11108889 = 3333²).

The spelling of 54523656 in words is "fifty-four million, five hundred twenty-three thousand, six hundred fifty-six".