55030123134 has 48 divisors (see below), whose sum is σ = 136305562848. Its totient is φ = 15718219776.

The previous prime is 55030123121. The next prime is 55030123163. The reversal of 55030123134 is 43132103055.

55030123134 is a `hidden beast` number, since 5 + 503 + 0 + 1 + 23 + 134 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 55030123098 and 55030123107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 372414 + ... + 498750.

It is an arithmetic number, because the mean of its divisors is an integer number (2839699226).

Almost surely, 2^55030123134 is an apocalyptic number.

55030123134 is an abundant number, since it is smaller than the sum of its proper divisors (81275439714).

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

55030123134 is a wasteful number, since it uses less digits than its factorization.

55030123134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129809 (or 129806 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 55030123134 its reverse (43132103055), we get a palindrome (98162226189).

The spelling of 55030123134 in words is "fifty-five billion, thirty million, one hundred twenty-three thousand, one hundred thirty-four".