55088145 has 48 divisors (see below), whose sum is σ = 109848960. Its totient is φ = 25016832.

The previous prime is 55088141. The next prime is 55088161. The reversal of 55088145 is 54188055.

55088145 is a `hidden beast` number, since 5 + 508 + 8 + 145 = 666.

It is not a de Polignac number, because 55088145 - 2² = 55088141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55088141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55897 + ... + 56873.

It is an arithmetic number, because the mean of its divisors is an integer number (2288520).

Almost surely, 2^55088145 is an apocalyptic number.

It is an amenable number.

55088145 is a deficient number, since it is larger than the sum of its proper divisors (54760815).

55088145 is a wasteful number, since it uses less digits than its factorization.

55088145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The square root of 55088145 is about 7422.1388426787. The cubic root of 55088145 is about 380.4982959731.

The spelling of 55088145 in words is "fifty-five million, eighty-eight thousand, one hundred forty-five".