253540051055 has 8 divisors (see below), whose sum is σ = 305576656800. Its totient is φ = 201946310496.

The previous prime is 253540051043. The next prime is 253540051057. The reversal of 253540051055 is 550150045352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253540051055 - 2²² = 253535856751 is a prime.

It is a super-2 number, since 2×253540051055² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253540051057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110715035 + ... + 110717324.

It is an arithmetic number, because the mean of its divisors is an integer number (38197082100).

Almost surely, 2^253540051055 is an apocalyptic number.

253540051055 is a deficient number, since it is larger than the sum of its proper divisors (52036605745).

253540051055 is a wasteful number, since it uses less digits than its factorization.

253540051055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221432593.

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 253540051055 in words is "two hundred fifty-three billion, five hundred forty million, fifty-one thousand, fifty-five".