250400553 has 16 divisors (see below), whose sum is σ = 363261696. Its totient is φ = 152501760.

The previous prime is 250400483. The next prime is 250400561. The reversal of 250400553 is 355004052.

It is not a de Polignac number, because 250400553 - 2¹⁰ = 250399529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (250400453) 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 15 ways as a sum of consecutive naturals, for example, 29313 + ... + 36878.

It is an arithmetic number, because the mean of its divisors is an integer number (22703856).

Almost surely, 2^250400553 is an apocalyptic number.

It is an amenable number.

250400553 is a deficient number, since it is larger than the sum of its proper divisors (112861143).

250400553 is a wasteful number, since it uses less digits than its factorization.

250400553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66304.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 250400553 is about 15824.0498292946. The cubic root of 250400553 is about 630.2967888602.

The spelling of 250400553 in words is "two hundred fifty million, four hundred thousand, five hundred fifty-three".