55683969 has 8 divisors (see below), whose sum is σ = 80994912. Its totient is φ = 33747840.

The previous prime is 55683961. The next prime is 55683983. The reversal of 55683969 is 96938655.

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

It is not a de Polignac number, because 55683969 - 2³ = 55683961 is a prime.

It is a super-2 number, since 2×55683969² = 6201408807185922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55683961) 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, 843664 + ... + 843729.

It is an arithmetic number, because the mean of its divisors is an integer number (10124364).

Almost surely, 2^55683969 is an apocalyptic number.

It is an amenable number.

55683969 is a deficient number, since it is larger than the sum of its proper divisors (25310943).

55683969 is a wasteful number, since it uses less digits than its factorization.

55683969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687407.

The product of its digits is 1749600, while the sum is 51.

The square root of 55683969 is about 7462.1691886475. The cubic root of 55683969 is about 381.8651813562.

The spelling of 55683969 in words is "fifty-five million, six hundred eighty-three thousand, nine hundred sixty-nine".