55821537934 has 8 divisors (see below), whose sum is σ = 84792209760. Its totient is φ = 27557468016.

The previous prime is 55821537911. The next prime is 55821537953. The reversal of 55821537934 is 43973512855.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176650279 + ... + 176650594.

It is an arithmetic number, because the mean of its divisors is an integer number (10599026220).

Almost surely, 2^55821537934 is an apocalyptic number.

55821537934 is a deficient number, since it is larger than the sum of its proper divisors (28970671826).

55821537934 is a wasteful number, since it uses less digits than its factorization.

55821537934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353300954.

The product of its digits is 4536000, while the sum is 52.

The spelling of 55821537934 in words is "fifty-five billion, eight hundred twenty-one million, five hundred thirty-seven thousand, nine hundred thirty-four".