55558426634 has 8 divisors (see below), whose sum is σ = 83362728960. Its totient is φ = 27770850316.

The previous prime is 55558426633. The next prime is 55558426643. The reversal of 55558426634 is 43662485555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55558426633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4173194 + ... + 4186485.

It is an arithmetic number, because the mean of its divisors is an integer number (10420341120).

Almost surely, 2^55558426634 is an apocalyptic number.

55558426634 is a deficient number, since it is larger than the sum of its proper divisors (27804302326).

55558426634 is a wasteful number, since it uses less digits than its factorization.

55558426634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8363004.

The product of its digits is 17280000, while the sum is 53.

The spelling of 55558426634 in words is "fifty-five billion, five hundred fifty-eight million, four hundred twenty-six thousand, six hundred thirty-four".