50899485621 has 16 divisors (see below), whose sum is σ = 70062248448. Its totient is φ = 32835076800.

The previous prime is 50899485587. The next prime is 50899485649. The reversal of 50899485621 is 12658499805.

It is a happy number.

It is not a de Polignac number, because 50899485621 - 2⁶ = 50899485557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50899485661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1191451 + ... + 1233431.

It is an arithmetic number, because the mean of its divisors is an integer number (4378890528).

Almost surely, 2^50899485621 is an apocalyptic number.

It is an amenable number.

50899485621 is a deficient number, since it is larger than the sum of its proper divisors (19162762827).

50899485621 is a wasteful number, since it uses less digits than its factorization.

50899485621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55052.

The product of its (nonzero) digits is 6220800, while the sum is 57.

The spelling of 50899485621 in words is "fifty billion, eight hundred ninety-nine million, four hundred eighty-five thousand, six hundred twenty-one".