253223320444555 has 32 divisors (see below), whose sum is σ = 321939706804416. Its totient is φ = 190545455652864.

The previous prime is 253223320444553. The next prime is 253223320444571. The reversal of 253223320444555 is 555444023322352.

It is a cyclic number.

It is not a de Polignac number, because 253223320444555 - 2¹ = 253223320444553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253223320444499 and 253223320444508.

It is not an unprimeable number, because it can be changed into a prime (253223320444553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4131057667 + ... + 4131118963.

It is an arithmetic number, because the mean of its divisors is an integer number (10060615837638).

Almost surely, 2^{253223320444555} is an apocalyptic number.

253223320444555 is a deficient number, since it is larger than the sum of its proper divisors (68716386359861).

253223320444555 is a wasteful number, since it uses less digits than its factorization.

253223320444555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90303.

The product of its (nonzero) digits is 17280000, while the sum is 49.

The spelling of 253223320444555 in words is "two hundred fifty-three trillion, two hundred twenty-three billion, three hundred twenty million, four hundred forty-four thousand, five hundred fifty-five".