50011233531 has 48 divisors (see below), whose sum is σ = 78645335040. Its totient is φ = 28181986560.

The previous prime is 50011233527. The next prime is 50011233563. The reversal of 50011233531 is 13533211005.

It is not a de Polignac number, because 50011233531 - 2² = 50011233527 is a prime.

It is a super-2 number, since 2×50011233531² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50011233031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11970915 + ... + 11975091.

It is an arithmetic number, because the mean of its divisors is an integer number (1638444480).

Almost surely, 2^50011233531 is an apocalyptic number.

50011233531 is a deficient number, since it is larger than the sum of its proper divisors (28634101509).

50011233531 is a wasteful number, since it uses less digits than its factorization.

50011233531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5304 (or 5297 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 50011233531 its reverse (13533211005), we get a palindrome (63544444536).

The spelling of 50011233531 in words is "fifty billion, eleven million, two hundred thirty-three thousand, five hundred thirty-one".