55320075923 has 8 divisors (see below), whose sum is σ = 63720763392. Its totient is φ = 47043843336.

The previous prime is 55320075883. The next prime is 55320075953. The reversal of 55320075923 is 32957002355.

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

It is not a de Polignac number, because 55320075923 - 2¹² = 55320071827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55320075953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31112765 + ... + 31114542.

It is an arithmetic number, because the mean of its divisors is an integer number (7965095424).

Almost surely, 2^55320075923 is an apocalyptic number.

55320075923 is a deficient number, since it is larger than the sum of its proper divisors (8400687469).

55320075923 is a wasteful number, since it uses less digits than its factorization.

55320075923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62227441.

The product of its (nonzero) digits is 283500, while the sum is 41.

The spelling of 55320075923 in words is "fifty-five billion, three hundred twenty million, seventy-five thousand, nine hundred twenty-three".