55986040323 has 20 divisors (see below), whose sum is σ = 83641283880. Its totient is φ = 37320538752.

The previous prime is 55986040321. The next prime is 55986040343. The reversal of 55986040323 is 32304068955.

55986040323 is a `hidden beast` number, since 5 + 5 + 9 + 8 + 604 + 0 + 32 + 3 = 666.

It is not a de Polignac number, because 55986040323 - 2¹ = 55986040321 is a prime.

It is a super-2 number, since 2×55986040323² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55986040321) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1070968 + ... + 1122026.

It is an arithmetic number, because the mean of its divisors is an integer number (4182064194).

Almost surely, 2^55986040323 is an apocalyptic number.

55986040323 is a deficient number, since it is larger than the sum of its proper divisors (27655243557).

55986040323 is a wasteful number, since it uses less digits than its factorization.

55986040323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64608 (or 64599 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 55986040323 in words is "fifty-five billion, nine hundred eighty-six million, forty thousand, three hundred twenty-three".