553551001263 has 24 divisors (see below), whose sum is σ = 861372854160. Its totient is φ = 340530652800.

The previous prime is 553551001249. The next prime is 553551001357. The reversal of 553551001263 is 362100155355.

553551001263 is a `hidden beast` number, since 5 + 535 + 5 + 100 + 12 + 6 + 3 = 666.

It is not a de Polignac number, because 553551001263 - 2⁴ = 553551001247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553551001243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 461038 + ... + 1148763.

It is an arithmetic number, because the mean of its divisors is an integer number (35890535590).

Almost surely, 2^553551001263 is an apocalyptic number.

553551001263 is a deficient number, since it is larger than the sum of its proper divisors (307821852897).

553551001263 is a wasteful number, since it uses less digits than its factorization.

553551001263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612759 (or 1612756 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The spelling of 553551001263 in words is "five hundred fifty-three billion, five hundred fifty-one million, one thousand, two hundred sixty-three".