50155405 has 8 divisors (see below), whose sum is σ = 60585984. Its totient is φ = 39858000.

The previous prime is 50155403. The next prime is 50155411. The reversal of 50155405 is 50455105.

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

It is not a de Polignac number, because 50155405 - 2¹ = 50155403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50155405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50155403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32461 + ... + 33970.

It is an arithmetic number, because the mean of its divisors is an integer number (7573248).

Almost surely, 2^50155405 is an apocalyptic number.

It is an amenable number.

50155405 is a deficient number, since it is larger than the sum of its proper divisors (10430579).

50155405 is a wasteful number, since it uses less digits than its factorization.

50155405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66587.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 50155405 is about 7082.0480794753. The cubic root of 50155405 is about 368.7844330577.

The spelling of 50155405 in words is "fifty million, one hundred fifty-five thousand, four hundred five".