55145145230 has 64 divisors (see below), whose sum is σ = 118865691648. Its totient is φ = 18009699840.

The previous prime is 55145145229. The next prime is 55145145271. The reversal of 55145145230 is 3254154155.

55145145230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 316949 + ... + 459071.

It is an arithmetic number, because the mean of its divisors is an integer number (1857276432).

Almost surely, 2^55145145230 is an apocalyptic number.

55145145230 is an abundant number, since it is smaller than the sum of its proper divisors (63720546418).

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

55145145230 is a wasteful number, since it uses less digits than its factorization.

55145145230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142401.

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 55145145230 its reverse (3254154155), we get a palindrome (58399299385).

The spelling of 55145145230 in words is "fifty-five billion, one hundred forty-five million, one hundred forty-five thousand, two hundred thirty".