55089356 has 24 divisors (see below), whose sum is σ = 113734656. Its totient is φ = 22847760.

The previous prime is 55089329. The next prime is 55089361. The reversal of 55089356 is 65398055.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30866 + ... + 32601.

It is an arithmetic number, because the mean of its divisors is an integer number (4738944).

Almost surely, 2^55089356 is an apocalyptic number.

It is an amenable number.

55089356 is an abundant number, since it is smaller than the sum of its proper divisors (58645300).

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

55089356 is a wasteful number, since it uses less digits than its factorization.

55089356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63509 (or 63507 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 55089356 is about 7422.2204224881. The cubic root of 55089356 is about 380.5010841112.

The spelling of 55089356 in words is "fifty-five million, eighty-nine thousand, three hundred fifty-six".