50728762731 has 8 divisors (see below), whose sum is σ = 69820232704. Its totient is φ = 32728233960.

The previous prime is 50728762703. The next prime is 50728762757. The reversal of 50728762731 is 13726782705.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50728762731 - 2⁵ = 50728762699 is a prime.

It is a super-2 number, since 2×50728762731² (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 (50728761731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272735191 + ... + 272735376.

It is an arithmetic number, because the mean of its divisors is an integer number (8727529088).

Almost surely, 2^50728762731 is an apocalyptic number.

50728762731 is a deficient number, since it is larger than the sum of its proper divisors (19091469973).

50728762731 is a wasteful number, since it uses less digits than its factorization.

50728762731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545470601.

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 50728762731 in words is "fifty billion, seven hundred twenty-eight million, seven hundred sixty-two thousand, seven hundred thirty-one".