50144555531 has 4 divisors (see below), whose sum is σ = 57308063472. Its totient is φ = 42981047592.

The previous prime is 50144555501. The next prime is 50144555537. The reversal of 50144555531 is 13555544105.

50144555531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 50144555531 - 2²⁶ = 50077446667 is a prime.

It is a super-2 number, since 2×50144555531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50144555537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3581753960 + ... + 3581753973.

It is an arithmetic number, because the mean of its divisors is an integer number (14327015868).

Almost surely, 2^50144555531 is an apocalyptic number.

50144555531 is a deficient number, since it is larger than the sum of its proper divisors (7163507941).

50144555531 is an equidigital number, since it uses as much as digits as its factorization.

50144555531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7163507940.

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 50144555531 in words is "fifty billion, one hundred forty-four million, five hundred fifty-five thousand, five hundred thirty-one".