253435455 has 96 divisors (see below), whose sum is σ = 545126400. Its totient is φ = 106064640.

The previous prime is 253435409. The next prime is 253435463. The reversal of 253435455 is 554534352.

253435455 is a `hidden beast` number, since 253 + 4 + 354 + 55 = 666.

It is not a de Polignac number, because 253435455 - 2¹⁷ = 253304383 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 814750 + ... + 815060.

It is an arithmetic number, because the mean of its divisors is an integer number (5678400).

Almost surely, 2^253435455 is an apocalyptic number.

253435455 is an abundant number, since it is smaller than the sum of its proper divisors (291690945).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253435455 is a wasteful number, since it uses less digits than its factorization.

253435455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 538 counting only the distinct ones).

The product of its digits is 180000, while the sum is 36.

The square root of 253435455 is about 15919.6562462887. The cubic root of 253435455 is about 632.8330085169.

The spelling of 253435455 in words is "two hundred fifty-three million, four hundred thirty-five thousand, four hundred fifty-five".