253052777755 has 32 divisors (see below), whose sum is σ = 338762870784. Its totient is φ = 180480216576.

The previous prime is 253052777741. The next prime is 253052777771. The reversal of 253052777755 is 557777250352.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-253052777755 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253052777696 and 253052777705.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426979 + ... + 829708.

It is an arithmetic number, because the mean of its divisors is an integer number (10586339712).

Almost surely, 2^253052777755 is an apocalyptic number.

253052777755 is a deficient number, since it is larger than the sum of its proper divisors (85710093029).

253052777755 is a wasteful number, since it uses less digits than its factorization.

253052777755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256835.

The product of its (nonzero) digits is 18007500, while the sum is 55.

The spelling of 253052777755 in words is "two hundred fifty-three billion, fifty-two million, seven hundred seventy-seven thousand, seven hundred fifty-five".