55555566734 has 4 divisors (see below), whose sum is σ = 83333350104. Its totient is φ = 27777783366.

The previous prime is 55555566733. The next prime is 55555566757. The reversal of 55555566734 is 43766555555.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 55555566734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55555566733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13888891682 + ... + 13888891685.

It is an arithmetic number, because the mean of its divisors is an integer number (20833337526).

Almost surely, 2^55555566734 is an apocalyptic number.

55555566734 is a deficient number, since it is larger than the sum of its proper divisors (27777783370).

55555566734 is a wasteful number, since it uses less digits than its factorization.

55555566734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27777783369.

The product of its digits is 47250000, while the sum is 56.

The spelling of 55555566734 in words is "fifty-five billion, five hundred fifty-five million, five hundred sixty-six thousand, seven hundred thirty-four".