55693458 has 18 divisors (see below), whose sum is σ = 120737799. Its totient is φ = 18553932.

The previous prime is 55693447. The next prime is 55693483. The reversal of 55693458 is 85439655.

55693458 is a `hidden beast` number, since 5 + 569 + 34 + 58 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27846729 + 27846729 = 5277^2 + 5277^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5277.

It is a super-2 number, since 2×55693458² = 6203522527995528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 30783 + ... + 32541.

Almost surely, 2^55693458 is an apocalyptic number.

55693458 is an abundant number, since it is smaller than the sum of its proper divisors (65044341).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55693458 is an equidigital number, since it uses as much as digits as its factorization.

55693458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3526 (or 1764 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 55693458 is about 7462.8049686428. The cubic root of 55693458 is about 381.8868710990.

The spelling of 55693458 in words is "fifty-five million, six hundred ninety-three thousand, four hundred fifty-eight".