51223531235 has 8 divisors (see below), whose sum is σ = 61807842096. Its totient is φ = 40752421920.

The previous prime is 51223531171. The next prime is 51223531253. The reversal of 51223531235 is 53213532215.

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

It is not a de Polignac number, because 51223531235 - 2⁶ = 51223531171 is a prime.

It is a Duffinian number.

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, 28299389 + ... + 28301198.

It is an arithmetic number, because the mean of its divisors is an integer number (7725980262).

Almost surely, 2^51223531235 is an apocalyptic number.

51223531235 is a deficient number, since it is larger than the sum of its proper divisors (10584310861).

51223531235 is a wasteful number, since it uses less digits than its factorization.

51223531235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56600773.

The product of its digits is 27000, while the sum is 32.

The spelling of 51223531235 in words is "fifty-one billion, two hundred twenty-three million, five hundred thirty-one thousand, two hundred thirty-five".