55602164251 has 4 divisors (see below), whose sum is σ = 55608429712. Its totient is φ = 55595898792.

The previous prime is 55602164249. The next prime is 55602164257. The reversal of 55602164251 is 15246120655.

55602164251 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 not a de Polignac number, because 55602164251 - 2¹ = 55602164249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55602164251.

It is not an unprimeable number, because it can be changed into a prime (55602164257) 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, 3119400 + ... + 3137173.

It is an arithmetic number, because the mean of its divisors is an integer number (13902107428).

Almost surely, 2^55602164251 is an apocalyptic number.

55602164251 is a deficient number, since it is larger than the sum of its proper divisors (6265461).

55602164251 is an equidigital number, since it uses as much as digits as its factorization.

55602164251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6265460.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 55602164251 in words is "fifty-five billion, six hundred two million, one hundred sixty-four thousand, two hundred fifty-one".