274020553 has 16 divisors (see below), whose sum is σ = 286513920. Its totient is φ = 261865296.

The previous prime is 274020533. The next prime is 274020559. The reversal of 274020553 is 355020472.

It is a cyclic number.

It is not a de Polignac number, because 274020553 - 2⁵ = 274020521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274020559) 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, 653778 + ... + 654196.

It is an arithmetic number, because the mean of its divisors is an integer number (17907120).

Almost surely, 2^274020553 is an apocalyptic number.

It is an amenable number.

274020553 is a deficient number, since it is larger than the sum of its proper divisors (12493367).

274020553 is a wasteful number, since it uses less digits than its factorization.

274020553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 274020553 is about 16553.5661716743. The cubic root of 274020553 is about 649.5227684389.

The spelling of 274020553 in words is "two hundred seventy-four million, twenty thousand, five hundred fifty-three".