50000030551 has 4 divisors (see below), whose sum is σ = 50157759672. Its totient is φ = 49842301432.

The previous prime is 50000030537. The next prime is 50000030557. The reversal of 50000030551 is 15503000005.

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

It is a cyclic number.

It is not a de Polignac number, because 50000030551 - 2⁵ = 50000030519 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 (50000030557) 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, 78864085 + ... + 78864718.

It is an arithmetic number, because the mean of its divisors is an integer number (12539439918).

Almost surely, 2^50000030551 is an apocalyptic number.

50000030551 is a deficient number, since it is larger than the sum of its proper divisors (157729121).

50000030551 is a wasteful number, since it uses less digits than its factorization.

50000030551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157729120.

The product of its (nonzero) digits is 375, while the sum is 19.

Adding to 50000030551 its reverse (15503000005), we get a palindrome (65503030556).

The spelling of 50000030551 in words is "fifty billion, thirty thousand, five hundred fifty-one".