54623288772 has 144 divisors (see below), whose sum is σ = 150270195712. Its totient is φ = 16630064640.

The previous prime is 54623288771. The next prime is 54623288773. The reversal of 54623288772 is 27788232645.

54623288772 is a `hidden beast` number, since 5 + 4 + 623 + 2 + 8 + 8 + 7 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (54623288771) and next prime (54623288773).

It is not an unprimeable number, because it can be changed into a prime (54623288771) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27161247 + ... + 27163257.

Almost surely, 2^54623288772 is an apocalyptic number.

54623288772 is a gapful number since it is divisible by the number (52) 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 54623288772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75135097856).

54623288772 is an abundant number, since it is smaller than the sum of its proper divisors (95646906940).

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

54623288772 is a wasteful number, since it uses less digits than its factorization.

54623288772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618 (or 2613 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 54.

The spelling of 54623288772 in words is "fifty-four billion, six hundred twenty-three million, two hundred eighty-eight thousand, seven hundred seventy-two".