50769987 has 16 divisors (see below), whose sum is σ = 69066240. Its totient is φ = 33165792.

The previous prime is 50769977. The next prime is 50769989. The reversal of 50769987 is 78996705.

It is a de Polignac number, because none of the positive numbers 2^k-50769987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50769989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45478 + ... + 46580.

It is an arithmetic number, because the mean of its divisors is an integer number (4316640).

Almost surely, 2^50769987 is an apocalyptic number.

50769987 is a deficient number, since it is larger than the sum of its proper divisors (18296253).

50769987 is a wasteful number, since it uses less digits than its factorization.

50769987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402.

The product of its (nonzero) digits is 952560, while the sum is 51.

The square root of 50769987 is about 7125.3060986880. The cubic root of 50769987 is about 370.2846288091.

The spelling of 50769987 in words is "fifty million, seven hundred sixty-nine thousand, nine hundred eighty-seven".