55993369 has 8 divisors (see below), whose sum is σ = 57093120. Its totient is φ = 54902400.

The previous prime is 55993363. The next prime is 55993381. The reversal of 55993369 is 96339955.

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

It is a cyclic number.

It is not a de Polignac number, because 55993369 - 2⁵ = 55993337 is a prime.

It is a super-2 number, since 2×55993369² = 6270514743940322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55993363) 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, 11497 + ... + 15625.

It is an arithmetic number, because the mean of its divisors is an integer number (7136640).

Almost surely, 2^55993369 is an apocalyptic number.

It is an amenable number.

55993369 is a deficient number, since it is larger than the sum of its proper divisors (1099751).

55993369 is a wasteful number, since it uses less digits than its factorization.

55993369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4391.

The product of its digits is 984150, while the sum is 49.

The square root of 55993369 is about 7482.8717081078. The cubic root of 55993369 is about 382.5711351886.

The spelling of 55993369 in words is "fifty-five million, nine hundred ninety-three thousand, three hundred sixty-nine".