50736636 has 36 divisors (see below), whose sum is σ = 135796752. Its totient is φ = 15917184.

The previous prime is 50736629. The next prime is 50736659. The reversal of 50736636 is 63663705.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 50736636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40840 + ... + 42063.

It is an arithmetic number, because the mean of its divisors is an integer number (3772132).

Almost surely, 2^50736636 is an apocalyptic number.

It is an amenable number.

50736636 is an abundant number, since it is smaller than the sum of its proper divisors (85060116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50736636 is a wasteful number, since it uses less digits than its factorization.

50736636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82930 (or 82925 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The square root of 50736636 is about 7122.9653937107. The cubic root of 50736636 is about 370.2035305823.

The spelling of 50736636 in words is "fifty million, seven hundred thirty-six thousand, six hundred thirty-six".