50553652397 has 4 divisors (see below), whose sum is σ = 52296881820. Its totient is φ = 48810422976.

The previous prime is 50553652379. The next prime is 50553652423. The reversal of 50553652397 is 79325635505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23437772836 + 27115879561 = 153094^2 + 164669^2 .

It is a cyclic number.

It is not a de Polignac number, because 50553652397 - 2⁸ = 50553652141 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 (50553652297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871614668 + ... + 871614725.

It is an arithmetic number, because the mean of its divisors is an integer number (13074220455).

Almost surely, 2^50553652397 is an apocalyptic number.

It is an amenable number.

50553652397 is a deficient number, since it is larger than the sum of its proper divisors (1743229423).

50553652397 is a wasteful number, since it uses less digits than its factorization.

50553652397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743229422.

The product of its (nonzero) digits is 4252500, while the sum is 50.

The spelling of 50553652397 in words is "fifty billion, five hundred fifty-three million, six hundred fifty-two thousand, three hundred ninety-seven".