253551155 has 32 divisors (see below), whose sum is σ = 360315648. Its totient is φ = 168854400.

The previous prime is 253551127. The next prime is 253551169. The reversal of 253551155 is 551155352.

It is not a de Polignac number, because 253551155 - 2¹⁶ = 253485619 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 92312 + ... + 95018.

It is an arithmetic number, because the mean of its divisors is an integer number (11259864).

Almost surely, 2^253551155 is an apocalyptic number.

253551155 is a deficient number, since it is larger than the sum of its proper divisors (106764493).

253551155 is a wasteful number, since it uses less digits than its factorization.

253551155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867.

The product of its digits is 18750, while the sum is 32.

The square root of 253551155 is about 15923.2897040781. The cubic root of 253551155 is about 632.9292955443.

The spelling of 253551155 in words is "two hundred fifty-three million, five hundred fifty-one thousand, one hundred fifty-five".