55753818 has 16 divisors (see below), whose sum is σ = 112612896. Its totient is φ = 18400400.

The previous prime is 55753799. The next prime is 55753883. The reversal of 55753818 is 81835755.

It is a happy number.

It is a super-3 number, since 3×55753818³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55753818.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45396 + ... + 46607.

It is an arithmetic number, because the mean of its divisors is an integer number (7038306).

Almost surely, 2^55753818 is an apocalyptic number.

55753818 is an abundant number, since it is smaller than the sum of its proper divisors (56859078).

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

55753818 is a wasteful number, since it uses less digits than its factorization.

55753818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92109.

The product of its digits is 168000, while the sum is 42.

The square root of 55753818 is about 7466.8479293474. The cubic root of 55753818 is about 382.0247829832.

The spelling of 55753818 in words is "fifty-five million, seven hundred fifty-three thousand, eight hundred eighteen".