55693286 has 32 divisors (see below), whose sum is σ = 93778560. Its totient is φ = 24592000.

The previous prime is 55693273. The next prime is 55693303. The reversal of 55693286 is 68239655.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138686 + ... + 139086.

It is an arithmetic number, because the mean of its divisors is an integer number (2930580).

Almost surely, 2^55693286 is an apocalyptic number.

55693286 is a deficient number, since it is larger than the sum of its proper divisors (38085274).

55693286 is a wasteful number, since it uses less digits than its factorization.

55693286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580.

The product of its digits is 388800, while the sum is 44.

The square root of 55693286 is about 7462.7934448168. The cubic root of 55693286 is about 381.8864779672.

The spelling of 55693286 in words is "fifty-five million, six hundred ninety-three thousand, two hundred eighty-six".