50401792 has 100 divisors (see below), whose sum is σ = 120347766. Its totient is φ = 21073920.

The previous prime is 50401777. The next prime is 50401801. The reversal of 50401792 is 29710405.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 49787136 + 614656 = 7056^2 + 784^2 .

It is a super-2 number, since 2×50401792² = 5080681273622528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 50401792.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1229292 + ... + 1229332.

Almost surely, 2^50401792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50401792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60173883).

50401792 is an abundant number, since it is smaller than the sum of its proper divisors (69945974).

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

50401792 is an frugal number, since it uses more digits than its factorization.

50401792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 50401792 is about 7099.4219482997. The cubic root of 50401792 is about 369.3873279097.

The spelling of 50401792 in words is "fifty million, four hundred one thousand, seven hundred ninety-two".