50445531213 has 48 divisors (see below), whose sum is σ = 90375891264. Its totient is φ = 24663959040.

The previous prime is 50445531197. The next prime is 50445531263. The reversal of 50445531213 is 31213554405.

It is not a de Polignac number, because 50445531213 - 2⁴ = 50445531197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50445531263) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 890070 + ... + 945047.

It is an arithmetic number, because the mean of its divisors is an integer number (1882831068).

Almost surely, 2^50445531213 is an apocalyptic number.

It is an amenable number.

50445531213 is a deficient number, since it is larger than the sum of its proper divisors (39930360051).

50445531213 is a wasteful number, since it uses less digits than its factorization.

50445531213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835162 (or 1835155 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 50445531213 in words is "fifty billion, four hundred forty-five million, five hundred thirty-one thousand, two hundred thirteen".