254678553 has 16 divisors (see below), whose sum is σ = 378930240. Its totient is φ = 169052832.

The previous prime is 254678539. The next prime is 254678587. The reversal of 254678553 is 355876452.

254678553 is a `hidden beast` number, since 25 + 4 + 6 + 78 + 553 = 666.

254678553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 254678553 - 2¹² = 254674457 is a prime.

It is a super-2 number, since 2×254678553² = 129722330716347618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 254678499 and 254678508.

It is not an unprimeable number, because it can be changed into a prime (254678503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13951 + ... + 26532.

It is an arithmetic number, because the mean of its divisors is an integer number (23683140).

Almost surely, 2^254678553 is an apocalyptic number.

It is an amenable number.

254678553 is a deficient number, since it is larger than the sum of its proper divisors (124251687).

254678553 is a wasteful number, since it uses less digits than its factorization.

254678553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40725 (or 40719 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 254678553 is about 15958.6513527929. The cubic root of 254678553 is about 633.8660009641.

The spelling of 254678553 in words is "two hundred fifty-four million, six hundred seventy-eight thousand, five hundred fifty-three".