50412203531 has 4 divisors (see below), whose sum is σ = 50417676312. Its totient is φ = 50406730752.

The previous prime is 50412203483. The next prime is 50412203533. The reversal of 50412203531 is 13530221405.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50412203531 is a prime.

It is a super-2 number, since 2×50412203531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50412203531.

It is not an unprimeable number, because it can be changed into a prime (50412203533) 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, 2722550 + ... + 2741003.

It is an arithmetic number, because the mean of its divisors is an integer number (12604419078).

Almost surely, 2^50412203531 is an apocalyptic number.

50412203531 is a deficient number, since it is larger than the sum of its proper divisors (5472781).

50412203531 is an equidigital number, since it uses as much as digits as its factorization.

50412203531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5472780.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 50412203531 its reverse (13530221405), we get a palindrome (63942424936).

The spelling of 50412203531 in words is "fifty billion, four hundred twelve million, two hundred three thousand, five hundred thirty-one".