50572405 has 24 divisors (see below), whose sum is σ = 66499272. Its totient is φ = 36900864.

The previous prime is 50572397. The next prime is 50572409. The reversal of 50572405 is 50427505.

50572405 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 12 ways, for example, as 43480836 + 7091569 = 6594^2 + 2663^2 .

It is not a de Polignac number, because 50572405 - 2³ = 50572397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50572409) 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 23 ways as a sum of consecutive naturals, for example, 81657 + ... + 82273.

It is an arithmetic number, because the mean of its divisors is an integer number (2770803).

Almost surely, 2^50572405 is an apocalyptic number.

It is an amenable number.

50572405 is a deficient number, since it is larger than the sum of its proper divisors (15926867).

50572405 is a wasteful number, since it uses less digits than its factorization.

50572405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 50572405 is about 7111.4277750674. The cubic root of 50572405 is about 369.8036576984.

The spelling of 50572405 in words is "fifty million, five hundred seventy-two thousand, four hundred five".