55498236 has 12 divisors (see below), whose sum is σ = 129495912. Its totient is φ = 18499408.

The previous prime is 55498231. The next prime is 55498243. The reversal of 55498236 is 63289455.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×55498236² = 6160108398223392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55498231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2312415 + ... + 2312438.

It is an arithmetic number, because the mean of its divisors is an integer number (10791326).

Almost surely, 2^55498236 is an apocalyptic number.

It is an amenable number.

55498236 is an abundant number, since it is smaller than the sum of its proper divisors (73997676).

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

55498236 is a wasteful number, since it uses less digits than its factorization.

55498236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4624860 (or 4624858 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 55498236 is about 7449.7138200068. The cubic root of 55498236 is about 381.4401400034.

It can be divided in two parts, 554 and 98236, that added together give a triangular number (98790 = T₄₄₄).

The spelling of 55498236 in words is "fifty-five million, four hundred ninety-eight thousand, two hundred thirty-six".