50727720 has 96 divisors (see below), whose sum is σ = 160751520. Its totient is φ = 12804480.

The previous prime is 50727713. The next prime is 50727727. The reversal of 50727720 is 2772705.

It is an interprime number because it is at equal distance from previous prime (50727713) and next prime (50727727).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (50727727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42735 + ... + 43905.

It is an arithmetic number, because the mean of its divisors is an integer number (1674495).

Almost surely, 2^50727720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50727720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80375760).

50727720 is an abundant number, since it is smaller than the sum of its proper divisors (110023800).

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

50727720 is a wasteful number, since it uses less digits than its factorization.

50727720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 30.

The square root of 50727720 is about 7122.3395032812. The cubic root of 50727720 is about 370.1818438992.

The spelling of 50727720 in words is "fifty million, seven hundred twenty-seven thousand, seven hundred twenty".