50455905 has 16 divisors (see below), whose sum is σ = 84240000. Its totient is φ = 25739648.

The previous prime is 50455903. The next prime is 50455907. The reversal of 50455905 is 50955405.

It is an interprime number because it is at equal distance from previous prime (50455903) and next prime (50455907).

It is a cyclic number.

It is not a de Polignac number, because 50455905 - 2¹ = 50455903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50455903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72780 + ... + 73469.

It is an arithmetic number, because the mean of its divisors is an integer number (5265000).

Almost surely, 2^50455905 is an apocalyptic number.

It is an amenable number.

50455905 is a deficient number, since it is larger than the sum of its proper divisors (33784095).

50455905 is a wasteful number, since it uses less digits than its factorization.

50455905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146280.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 50455905 is about 7103.2320108525. The cubic root of 50455905 is about 369.5194760368.

Subtracting from 50455905 its product of nonzero digits (22500), we obtain a palindrome (50433405).

Subtracting 50455905 from its reverse (50955405), we obtain a triangular number (499500 = T₉₉₉).

It can be divided in two parts, 50455 and 905, that added together give a triangular number (51360 = T₃₂₀).

The spelling of 50455905 in words is "fifty million, four hundred fifty-five thousand, nine hundred five".