50555501 has 8 divisors (see below), whose sum is σ = 54835704. Its totient is φ = 46420480.

The previous prime is 50555489. The next prime is 50555509. The reversal of 50555501 is 10555505.

50555501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8940100 + 41615401 = 2990^2 + 6451^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 50555501 - 2⁶ = 50555437 is a prime.

It is a super-2 number, since 2×50555501² = 5111717362722002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50555509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35570 + ... + 36963.

It is an arithmetic number, because the mean of its divisors is an integer number (6854463).

Almost surely, 2^50555501 is an apocalyptic number.

It is an amenable number.

50555501 is a deficient number, since it is larger than the sum of its proper divisors (4280203).

50555501 is a wasteful number, since it uses less digits than its factorization.

50555501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72591.

The product of its (nonzero) digits is 3125, while the sum is 26.

The square root of 50555501 is about 7110.2391661603. The cubic root of 50555501 is about 369.7624503928.

The spelling of 50555501 in words is "fifty million, five hundred fifty-five thousand, five hundred one".