253772648555 has 32 divisors (see below), whose sum is σ = 307731052800. Its totient is φ = 200897528832.

The previous prime is 253772648551. The next prime is 253772648587. The reversal of 253772648555 is 555846277352.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 253772648555 - 2² = 253772648551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253772648494 and 253772648503.

It is not an unprimeable number, because it can be changed into a prime (253772648551) 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, 148491041 + ... + 148492749.

It is an arithmetic number, because the mean of its divisors is an integer number (9616595400).

Almost surely, 2^253772648555 is an apocalyptic number.

253772648555 is a deficient number, since it is larger than the sum of its proper divisors (53958404245).

253772648555 is a wasteful number, since it uses less digits than its factorization.

253772648555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663.

The product of its digits is 70560000, while the sum is 59.

The spelling of 253772648555 in words is "two hundred fifty-three billion, seven hundred seventy-two million, six hundred forty-eight thousand, five hundred fifty-five".