654387552 has 576 divisors, whose sum is σ = 2533809600. Its totient is φ = 162570240.

The previous prime is 654387529. The next prime is 654387553. The reversal of 654387552 is 255783456.

654387552 is a `hidden beast` number, since 65 + 4 + 38 + 7 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 654387498 and 654387507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654387553) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15960652 + ... + 15960692.

It is an arithmetic number, because the mean of its divisors is an integer number (4398975).

Almost surely, 2^654387552 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 654387552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1266904800).

654387552 is an abundant number, since it is smaller than the sum of its proper divisors (1879422048).

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

654387552 is a wasteful number, since it uses less digits than its factorization.

654387552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 95 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 654387552 is about 25580.9998240882. Note that the first 3 decimals coincide. The cubic root of 654387552 is about 868.1837973602.

The spelling of 654387552 in words is "six hundred fifty-four million, three hundred eighty-seven thousand, five hundred fifty-two".