505051533 has 24 divisors (see below), whose sum is σ = 836483648. Its totient is φ = 287649792.

The previous prime is 505051523. The next prime is 505051541. The reversal of 505051533 is 335150505.

505051533 is a `hidden beast` number, since 5 + 0 + 505 + 153 + 3 = 666.

It is not a de Polignac number, because 505051533 - 2⁸ = 505051277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505051497 and 505051506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505051523) 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, 6285 + ... + 32397.

Almost surely, 2^505051533 is an apocalyptic number.

It is an amenable number.

505051533 is a deficient number, since it is larger than the sum of its proper divisors (331432115).

505051533 is a wasteful number, since it uses less digits than its factorization.

505051533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26433 (or 26430 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 27.

The square root of 505051533 is about 22473.3516191956. The cubic root of 505051533 is about 796.3645108196.

The spelling of 505051533 in words is "five hundred five million, fifty-one thousand, five hundred thirty-three".