55693569 has 8 divisors (see below), whose sum is σ = 74498112. Its totient is φ = 37009040.

The previous prime is 55693567. The next prime is 55693591. The reversal of 55693569 is 96539655.

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 55693569 - 2¹ = 55693567 is a prime.

It is a super-2 number, since 2×55693569² = 6203547255915522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55693567) 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, 28914 + ... + 30779.

It is an arithmetic number, because the mean of its divisors is an integer number (9312264).

Almost surely, 2^55693569 is an apocalyptic number.

It is an amenable number.

55693569 is a deficient number, since it is larger than the sum of its proper divisors (18804543).

55693569 is a wasteful number, since it uses less digits than its factorization.

55693569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60007.

The product of its digits is 1093500, while the sum is 48.

The square root of 55693569 is about 7462.8124055211. The cubic root of 55693569 is about 381.8871248058.

The spelling of 55693569 in words is "fifty-five million, six hundred ninety-three thousand, five hundred sixty-nine".