50412557 has 4 divisors (see below), whose sum is σ = 54290460. Its totient is φ = 46534656.

The previous prime is 50412553. The next prime is 50412581. The reversal of 50412557 is 75521405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75521405 = 5 ⋅15104281.

It can be written as a sum of positive squares in 2 ways, for example, as 27237961 + 23174596 = 5219^2 + 4814^2 .

It is a cyclic number.

It is not a de Polignac number, because 50412557 - 2² = 50412553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50412553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1938932 + ... + 1938957.

It is an arithmetic number, because the mean of its divisors is an integer number (13572615).

Almost surely, 2^50412557 is an apocalyptic number.

It is an amenable number.

50412557 is a deficient number, since it is larger than the sum of its proper divisors (3877903).

50412557 is a wasteful number, since it uses less digits than its factorization.

50412557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877902.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 50412557 is about 7100.1800681391. The cubic root of 50412557 is about 369.4136244054.

The spelling of 50412557 in words is "fifty million, four hundred twelve thousand, five hundred fifty-seven".