5655557952 has 252 divisors, whose sum is σ = 18547360416. Its totient is φ = 1630970880.

The previous prime is 5655557903. The next prime is 5655557969. The reversal of 5655557952 is 2597555565.

It is a happy number.

5655557952 is a `hidden beast` number, since 5 + 65 + 5 + 5 + 579 + 5 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28708318 + ... + 28708514.

Almost surely, 2^5655557952 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 5655557952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9273680208).

5655557952 is an abundant number, since it is smaller than the sum of its proper divisors (12891802464).

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

5655557952 is a wasteful number, since it uses less digits than its factorization.

5655557952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 236 counting only the distinct ones).

The product of its digits is 11812500, while the sum is 54.

The square root of 5655557952 is about 75203.4437509347. The cubic root of 5655557952 is about 1781.6613231750.

The spelling of 5655557952 in words is "five billion, six hundred fifty-five million, five hundred fifty-seven thousand, nine hundred fifty-two".