50780555 has 8 divisors (see below), whose sum is σ = 69641952. Its totient is φ = 34820928.

The previous prime is 50780507. The next prime is 50780579. The reversal of 50780555 is 55508705.

50780555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 50780555 - 2⁸ = 50780299 is a prime.

It is a super-2 number, since 2×50780555² = 5157329532216050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1450873 = 50780555 / (5 + 0 + 7 + 8 + 0 + 5 + 5 + 5).

It is a Duffinian number.

It is an unprimeable number.

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, 725402 + ... + 725471.

It is an arithmetic number, because the mean of its divisors is an integer number (8705244).

Almost surely, 2^50780555 is an apocalyptic number.

50780555 is a deficient number, since it is larger than the sum of its proper divisors (18861397).

50780555 is a wasteful number, since it uses less digits than its factorization.

50780555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450885.

The product of its (nonzero) digits is 35000, while the sum is 35.

The square root of 50780555 is about 7126.0476422769. The cubic root of 50780555 is about 370.3103191608.

The spelling of 50780555 in words is "fifty million, seven hundred eighty thousand, five hundred fifty-five".