55301223251 has 4 divisors (see below), whose sum is σ = 55922585400. Its totient is φ = 54679861104.

The previous prime is 55301223239. The next prime is 55301223347. The reversal of 55301223251 is 15232210355.

55301223251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55301223251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55301223751) 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, 310680941 + ... + 310681118.

It is an arithmetic number, because the mean of its divisors is an integer number (13980646350).

Almost surely, 2^55301223251 is an apocalyptic number.

55301223251 is a deficient number, since it is larger than the sum of its proper divisors (621362149).

55301223251 is an equidigital number, since it uses as much as digits as its factorization.

55301223251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621362148.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 55301223251 in words is "fifty-five billion, three hundred one million, two hundred twenty-three thousand, two hundred fifty-one".