50551151501 has 4 divisors (see below), whose sum is σ = 50949192192. Its totient is φ = 50153110812.

The previous prime is 50551151429. The next prime is 50551151507. The reversal of 50551151501 is 10515115505.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50551151501 - 2¹⁰ = 50551150477 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 (50551151507) 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, 199020155 + ... + 199020408.

It is an arithmetic number, because the mean of its divisors is an integer number (12737298048).

Almost surely, 2^50551151501 is an apocalyptic number.

It is an amenable number.

50551151501 is a deficient number, since it is larger than the sum of its proper divisors (398040691).

50551151501 is a wasteful number, since it uses less digits than its factorization.

50551151501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398040690.

The product of its (nonzero) digits is 3125, while the sum is 29.

The spelling of 50551151501 in words is "fifty billion, five hundred fifty-one million, one hundred fifty-one thousand, five hundred one".