50877561 has 8 divisors (see below), whose sum is σ = 77527744. Its totient is φ = 29072880.

The previous prime is 50877551. The next prime is 50877623. The reversal of 50877561 is 16577805.

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

It is not a de Polignac number, because 50877561 - 2¹⁴ = 50861177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50877511) 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 7 ways as a sum of consecutive naturals, for example, 1211350 + ... + 1211391.

It is an arithmetic number, because the mean of its divisors is an integer number (9690968).

Almost surely, 2^50877561 is an apocalyptic number.

It is an amenable number.

50877561 is a deficient number, since it is larger than the sum of its proper divisors (26650183).

50877561 is a wasteful number, since it uses less digits than its factorization.

50877561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422751.

The product of its (nonzero) digits is 58800, while the sum is 39.

The square root of 50877561 is about 7132.8508325914. The cubic root of 50877561 is about 370.5459702084.

The spelling of 50877561 in words is "fifty million, eight hundred seventy-seven thousand, five hundred sixty-one".