50021253155 has 8 divisors (see below), whose sum is σ = 60058843584. Its totient is φ = 39994776000.

The previous prime is 50021253133. The next prime is 50021253167. The reversal of 50021253155 is 55135212005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50021253155 - 2²² = 50017058851 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2768411 + ... + 2786420.

It is an arithmetic number, because the mean of its divisors is an integer number (7507355448).

Almost surely, 2^50021253155 is an apocalyptic number.

50021253155 is a deficient number, since it is larger than the sum of its proper divisors (10037590429).

50021253155 is a wasteful number, since it uses less digits than its factorization.

50021253155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5556637.

The product of its (nonzero) digits is 7500, while the sum is 29.

The spelling of 50021253155 in words is "fifty billion, twenty-one million, two hundred fifty-three thousand, one hundred fifty-five".