50401655 has 4 divisors (see below), whose sum is σ = 60481992. Its totient is φ = 40321320.

The previous prime is 50401649. The next prime is 50401721. The reversal of 50401655 is 55610405.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 50401655 - 2⁴ = 50401639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5040161 + ... + 5040170.

It is an arithmetic number, because the mean of its divisors is an integer number (15120498).

Almost surely, 2^50401655 is an apocalyptic number.

50401655 is a deficient number, since it is larger than the sum of its proper divisors (10080337).

50401655 is a wasteful number, since it uses less digits than its factorization.

50401655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10080336.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 50401655 is about 7099.4122996203. The cubic root of 50401655 is about 369.3869932251.

The spelling of 50401655 in words is "fifty million, four hundred one thousand, six hundred fifty-five".