553253445 has 24 divisors (see below), whose sum is σ = 992043000. Its totient is φ = 284893056.

The previous prime is 553253417. The next prime is 553253461. The reversal of 553253445 is 544352355.

553253445 is a `hidden beast` number, since 55 + 32 + 534 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 86434209 + 466819236 = 9297^2 + 21606^2 .

It is not a de Polignac number, because 553253445 - 2⁸ = 553253189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210670 + ... + 213279.

It is an arithmetic number, because the mean of its divisors is an integer number (41335125).

Almost surely, 2^553253445 is an apocalyptic number.

It is an amenable number.

553253445 is a deficient number, since it is larger than the sum of its proper divisors (438789555).

553253445 is a wasteful number, since it uses less digits than its factorization.

553253445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423989 (or 423986 counting only the distinct ones).

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

The square root of 553253445 is about 23521.3402041635. The cubic root of 553253445 is about 820.9336208271.

The spelling of 553253445 in words is "five hundred fifty-three million, two hundred fifty-three thousand, four hundred forty-five".