55145502234 has 24 divisors (see below), whose sum is σ = 119487194580. Its totient is φ = 18381022848.

The previous prime is 55145502229. The next prime is 55145502253. The reversal of 55145502234 is 43220554155.

55145502234 is a `hidden beast` number, since 5 + 5 + 145 + 502 + 2 + 3 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48420682209 + 6724820025 = 220047^2 + 82005^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 464994 + ... + 571410.

Almost surely, 2^55145502234 is an apocalyptic number.

55145502234 is an abundant number, since it is smaller than the sum of its proper divisors (64341692346).

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

55145502234 is a wasteful number, since it uses less digits than its factorization.

55145502234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135214 (or 135211 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 55145502234 in words is "fifty-five billion, one hundred forty-five million, five hundred two thousand, two hundred thirty-four".