55455136 has 24 divisors (see below), whose sum is σ = 119103264. Its totient is φ = 25206720.

The previous prime is 55455121. The next prime is 55455137. The reversal of 55455136 is 63155455.

It is not an unprimeable number, because it can be changed into a prime (55455137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78420 + ... + 79123.

It is an arithmetic number, because the mean of its divisors is an integer number (4962636).

Almost surely, 2^55455136 is an apocalyptic number.

It is an amenable number.

55455136 is an abundant number, since it is smaller than the sum of its proper divisors (63648128).

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

55455136 is a wasteful number, since it uses less digits than its factorization.

55455136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157564 (or 157556 counting only the distinct ones).

The product of its digits is 45000, while the sum is 34.

The square root of 55455136 is about 7446.8205295952. The cubic root of 55455136 is about 381.3413721334.

The spelling of 55455136 in words is "fifty-five million, four hundred fifty-five thousand, one hundred thirty-six".