55551942234 has 32 divisors (see below), whose sum is σ = 124138440000. Its totient is φ = 18413862192.

The previous prime is 55551942203. The next prime is 55551942241. The reversal of 55551942234 is 43224915555.

55551942234 is a `hidden beast` number, since 5 + 5 + 551 + 94 + 2 + 2 + 3 + 4 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55551942234.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2863909 + ... + 2883240.

It is an arithmetic number, because the mean of its divisors is an integer number (3879326250).

Almost surely, 2^55551942234 is an apocalyptic number.

55551942234 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55551942234 is an abundant number, since it is smaller than the sum of its proper divisors (68586497766).

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

55551942234 is a wasteful number, since it uses less digits than its factorization.

55551942234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5747339 (or 5747333 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 45.

The spelling of 55551942234 in words is "fifty-five billion, five hundred fifty-one million, nine hundred forty-two thousand, two hundred thirty-four".