50881801 has 4 divisors (see below), whose sum is σ = 50897412. Its totient is φ = 50866192.

The previous prime is 50881769. The next prime is 50881807. The reversal of 50881801 is 10818805.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10818805 = 5 ⋅2163761.

It can be written as a sum of positive squares in 2 ways, for example, as 20466576 + 30415225 = 4524^2 + 5515^2 .

It is a cyclic number.

It is not a de Polignac number, because 50881801 - 2⁵ = 50881769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50881807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850 + ... + 10123.

It is an arithmetic number, because the mean of its divisors is an integer number (12724353).

Almost surely, 2^50881801 is an apocalyptic number.

It is an amenable number.

50881801 is a deficient number, since it is larger than the sum of its proper divisors (15611).

50881801 is a wasteful number, since it uses less digits than its factorization.

50881801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15610.

The product of its (nonzero) digits is 2560, while the sum is 31.

The square root of 50881801 is about 7133.1480427648. The cubic root of 50881801 is about 370.5562633596.

It can be divided in two parts, 5088 and 1801, that added together give a square (6889 = 83²).

The spelling of 50881801 in words is "fifty million, eight hundred eighty-one thousand, eight hundred one".