50263406529561 has 45 divisors (see below), whose sum is σ = 77588118842949. Its totient is φ = 32426728072200.

The previous prime is 50263406529541. The next prime is 50263406529587. The reversal of 50263406529561 is 16592560436205.

The square root of 50263406529561 is 7089669.

It is a perfect power (a square), and thus also a powerful number.

50263406529561 is a `hidden beast` number, since 5 + 0 + 2 + 6 + 340 + 6 + 5 + 295 + 6 + 1 = 666.

It is not a de Polignac number, because 50263406529561 - 2⁷ = 50263406529433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50263406529498 and 50263406529507.

It is not an unprimeable number, because it can be changed into a prime (50263406529541) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1978004946 + ... + 1978030356.

Almost surely, 2^{50263406529561} is an apocalyptic number.

50263406529561 is the 7089669-th square number.

50263406529561 is the 3544835-th centered octagonal number.

It is an amenable number.

50263406529561 is a deficient number, since it is larger than the sum of its proper divisors (27324712313388).

50263406529561 is an frugal number, since it uses more digits than its factorization.

50263406529561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50896 (or 25445 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 54.

The spelling of 50263406529561 in words is "fifty trillion, two hundred sixty-three billion, four hundred six million, five hundred twenty-nine thousand, five hundred sixty-one".