50071120520 has 32 divisors (see below), whose sum is σ = 117558285120. Its totient is φ = 19157645760.

The previous prime is 50071120513. The next prime is 50071120537. The reversal of 50071120520 is 2502117005.

It is a happy number.

It is a super-2 number, since 2×50071120520² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27211646 + ... + 27213485.

It is an arithmetic number, because the mean of its divisors is an integer number (3673696410).

Almost surely, 2^50071120520 is an apocalyptic number.

It is an amenable number.

50071120520 is an abundant number, since it is smaller than the sum of its proper divisors (67487164600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50071120520 is a wasteful number, since it uses less digits than its factorization.

50071120520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54425165 (or 54425161 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 23.

Adding to 50071120520 its reverse (2502117005), we get a palindrome (52573237525).

The spelling of 50071120520 in words is "fifty billion, seventy-one million, one hundred twenty thousand, five hundred twenty".