55089156 has 24 divisors (see below), whose sum is σ = 129109120. Its totient is φ = 18281952.

The previous prime is 55089121. The next prime is 55089169. The reversal of 55089156 is 65198055.

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, 7276 + ... + 12771.

Almost surely, 2^55089156 is an apocalyptic number.

It is an amenable number.

55089156 is an abundant number, since it is smaller than the sum of its proper divisors (74019964).

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

55089156 is a wasteful number, since it uses less digits than its factorization.

55089156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20283 (or 20281 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 39.

The square root of 55089156 is about 7422.2069494188. The cubic root of 55089156 is about 380.5006236453.

The spelling of 55089156 in words is "fifty-five million, eighty-nine thousand, one hundred fifty-six".