55252836 has 36 divisors (see below), whose sum is σ = 147019600. Its totient is φ = 17448048.

The previous prime is 55252811. The next prime is 55252843. The reversal of 55252836 is 63825255.

It is a happy number.

55252836 is digitally balanced in base 2 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

55252836 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 55252836.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39706 + ... + 41073.

Almost surely, 2^55252836 is an apocalyptic number.

It is an amenable number.

55252836 is an abundant number, since it is smaller than the sum of its proper divisors (91766764).

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

55252836 is a wasteful number, since it uses less digits than its factorization.

55252836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80808 (or 80803 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 55252836 is about 7433.2251412156. The cubic root of 55252836 is about 380.8770967790.

The spelling of 55252836 in words is "fifty-five million, two hundred fifty-two thousand, eight hundred thirty-six".