50521692 has 72 divisors (see below), whose sum is σ = 131568528. Its totient is φ = 14999040.

The previous prime is 50521673. The next prime is 50521699. The reversal of 50521692 is 29612505.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50521699) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149748 + ... + 150084.

Almost surely, 2^50521692 is an apocalyptic number.

50521692 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50521692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65784264).

50521692 is an abundant number, since it is smaller than the sum of its proper divisors (81046836).

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

50521692 is a wasteful number, since it uses less digits than its factorization.

50521692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 50521692 is about 7107.8612817077. The cubic root of 50521692 is about 369.6800057776.

The spelling of 50521692 in words is "fifty million, five hundred twenty-one thousand, six hundred ninety-two".