55994236 has 12 divisors (see below), whose sum is σ = 102250512. Its totient is φ = 26779808.

The previous prime is 55994231. The next prime is 55994251. The reversal of 55994236 is 63249955.

It is a super-3 number, since 3×55994236³ (a number of 24 digits) contains 333 as substring.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 55994192 and 55994201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55994231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304225 + ... + 304408.

It is an arithmetic number, because the mean of its divisors is an integer number (8520876).

Almost surely, 2^55994236 is an apocalyptic number.

It is an amenable number.

55994236 is a deficient number, since it is larger than the sum of its proper divisors (46256276).

55994236 is a wasteful number, since it uses less digits than its factorization.

55994236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608660 (or 608658 counting only the distinct ones).

The product of its digits is 291600, while the sum is 43.

The square root of 55994236 is about 7482.9296401877. The cubic root of 55994236 is about 382.5731097525.

The spelling of 55994236 in words is "fifty-five million, nine hundred ninety-four thousand, two hundred thirty-six".