50903855 has 4 divisors (see below), whose sum is σ = 61084632. Its totient is φ = 40723080.

The previous prime is 50903851. The next prime is 50903863. The reversal of 50903855 is 55830905.

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

It is not a de Polignac number, because 50903855 - 2² = 50903851 is a prime.

It is a super-2 number, since 2×50903855² = 5182404907722050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50903851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5090381 + ... + 5090390.

It is an arithmetic number, because the mean of its divisors is an integer number (15271158).

Almost surely, 2^50903855 is an apocalyptic number.

50903855 is a deficient number, since it is larger than the sum of its proper divisors (10180777).

50903855 is a wasteful number, since it uses less digits than its factorization.

50903855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10180776.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 50903855 is about 7134.6937565673. The cubic root of 50903855 is about 370.6097930908.

The spelling of 50903855 in words is "fifty million, nine hundred three thousand, eight hundred fifty-five".