50866620507 has 24 divisors (see below), whose sum is σ = 77407412160. Its totient is φ = 32098725360.

The previous prime is 50866620479. The next prime is 50866620527. The reversal of 50866620507 is 70502666805.

It is not a de Polignac number, because 50866620507 - 2¹⁴ = 50866604123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50866620527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73228 + ... + 327254.

It is an arithmetic number, because the mean of its divisors is an integer number (3225308840).

Almost surely, 2^50866620507 is an apocalyptic number.

50866620507 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

50866620507 is a deficient number, since it is larger than the sum of its proper divisors (26540791653).

50866620507 is a wasteful number, since it uses less digits than its factorization.

50866620507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255223 (or 255220 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 50866620507 in words is "fifty billion, eight hundred sixty-six million, six hundred twenty thousand, five hundred seven".