55996362309 has 8 divisors (see below), whose sum is σ = 75386688832. Its totient is φ = 36968472000.

The previous prime is 55996362307. The next prime is 55996362343. The reversal of 55996362309 is 90326369955.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55996362309 - 2¹ = 55996362307 is a prime.

It is a super-2 number, since 2×55996362309² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55996362307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90608692 + ... + 90609309.

It is an arithmetic number, because the mean of its divisors is an integer number (9423336104).

Almost surely, 2^55996362309 is an apocalyptic number.

It is an amenable number.

55996362309 is a deficient number, since it is larger than the sum of its proper divisors (19390326523).

55996362309 is a wasteful number, since it uses less digits than its factorization.

55996362309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181218107.

The product of its (nonzero) digits is 11809800, while the sum is 57.

The spelling of 55996362309 in words is "fifty-five billion, nine hundred ninety-six million, three hundred sixty-two thousand, three hundred nine".