55723332865 has 8 divisors (see below), whose sum is σ = 66941405568. Its totient is φ = 44529728880.

The previous prime is 55723332827. The next prime is 55723332881. The reversal of 55723332865 is 56823332755.

55723332865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55723332865 - 2¹⁵ = 55723300097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6112167 + ... + 6121276.

It is an arithmetic number, because the mean of its divisors is an integer number (8367675696).

Almost surely, 2^55723332865 is an apocalyptic number.

It is an amenable number.

55723332865 is a deficient number, since it is larger than the sum of its proper divisors (11218072703).

55723332865 is a wasteful number, since it uses less digits than its factorization.

55723332865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12234359.

The product of its digits is 4536000, while the sum is 49.

The spelling of 55723332865 in words is "fifty-five billion, seven hundred twenty-three million, three hundred thirty-two thousand, eight hundred sixty-five".