55788632393 has 32 divisors (see below), whose sum is σ = 62959626240. Its totient is φ = 49081489920.

The previous prime is 55788632377. The next prime is 55788632407. The reversal of 55788632393 is 39323688755.

It is a cyclic number.

It is not a de Polignac number, because 55788632393 - 2⁴ = 55788632377 is a prime.

It is a super-2 number, since 2×55788632393² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55788632363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36155180 + ... + 36156722.

It is an arithmetic number, because the mean of its divisors is an integer number (1967488320).

Almost surely, 2^55788632393 is an apocalyptic number.

It is an amenable number.

55788632393 is a deficient number, since it is larger than the sum of its proper divisors (7170993847).

55788632393 is a wasteful number, since it uses less digits than its factorization.

55788632393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889.

The product of its digits is 32659200, while the sum is 59.

The spelling of 55788632393 in words is "fifty-five billion, seven hundred eighty-eight million, six hundred thirty-two thousand, three hundred ninety-three".