50161125786 has 32 divisors (see below), whose sum is σ = 106927060608. Its totient is φ = 15632601600.

The previous prime is 50161125719. The next prime is 50161125821. The reversal of 50161125786 is 68752116105.

It is a super-2 number, since 2×50161125786² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1612995 + ... + 1643798.

It is an arithmetic number, because the mean of its divisors is an integer number (3341470644).

Almost surely, 2^50161125786 is an apocalyptic number.

50161125786 is an abundant number, since it is smaller than the sum of its proper divisors (56765934822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50161125786 is a wasteful number, since it uses less digits than its factorization.

50161125786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256966.

The product of its (nonzero) digits is 100800, while the sum is 42.

The spelling of 50161125786 in words is "fifty billion, one hundred sixty-one million, one hundred twenty-five thousand, seven hundred eighty-six".