50078831089 has 15 divisors (see below), whose sum is σ = 58434621657. Its totient is φ = 42915313476.

The previous prime is 50078831087. The next prime is 50078831119. The reversal of 50078831089 is 98013887005.

The square root of 50078831089 is 223783.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 50078831089 - 2¹ = 50078831087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50078831083) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 10963084 + ... + 10967650.

Almost surely, 2^50078831089 is an apocalyptic number.

50078831089 is the 223783-rd square number.

50078831089 is the 111892-nd centered octagonal number.

It is an amenable number.

50078831089 is a deficient number, since it is larger than the sum of its proper divisors (8355790568).

50078831089 is an frugal number, since it uses more digits than its factorization.

50078831089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9162 (or 4574 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 49.

Multiplying 50078831089 by its sum of digits (49), we get a square (2453862723361 = 1566481²).

50078831089 divided by its sum of digits (49) gives a square (1022016961 = 31969²).

The spelling of 50078831089 in words is "fifty billion, seventy-eight million, eight hundred thirty-one thousand, eighty-nine".