55752647643 has 144 divisors (see below), whose sum is σ = 104875330560. Its totient is φ = 27917809920.

The previous prime is 55752647641. The next prime is 55752647651. The reversal of 55752647643 is 34674625755.

55752647643 is a `hidden beast` number, since 5 + 5 + 7 + 526 + 4 + 76 + 43 = 666.

It is not a de Polignac number, because 55752647643 - 2¹ = 55752647641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55752647643.

It is not an unprimeable number, because it can be changed into a prime (55752647641) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 25894255 + ... + 25896407.

Almost surely, 2^55752647643 is an apocalyptic number.

55752647643 is a deficient number, since it is larger than the sum of its proper divisors (49122682917).

55752647643 is a wasteful number, since it uses less digits than its factorization.

55752647643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310 (or 2296 counting only the distinct ones).

The product of its digits is 21168000, while the sum is 54.

The spelling of 55752647643 in words is "fifty-five billion, seven hundred fifty-two million, six hundred forty-seven thousand, six hundred forty-three".