50878011 has 4 divisors (see below), whose sum is σ = 67837352. Its totient is φ = 33918672.

The previous prime is 50877989. The next prime is 50878013. The reversal of 50878011 is 11087805.

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

It is not a de Polignac number, because 50878011 - 2⁵ = 50877979 is a prime.

It is a super-2 number, since 2×50878011² = 5177144006632242, which contains 22 as substring.

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 50878011.

It is not an unprimeable number, because it can be changed into a prime (50878013) 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, 8479666 + ... + 8479671.

It is an arithmetic number, because the mean of its divisors is an integer number (16959338).

Almost surely, 2^50878011 is an apocalyptic number.

50878011 is a deficient number, since it is larger than the sum of its proper divisors (16959341).

50878011 is a wasteful number, since it uses less digits than its factorization.

50878011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16959340.

The product of its (nonzero) digits is 2240, while the sum is 30.

The square root of 50878011 is about 7132.8823767114. The cubic root of 50878011 is about 370.5470626691.

The spelling of 50878011 in words is "fifty million, eight hundred seventy-eight thousand, eleven".