51183223896 has 32 divisors (see below), whose sum is σ = 146237783040. Its totient is φ = 14623778208.

The previous prime is 51183223877. The next prime is 51183223921. The reversal of 51183223896 is 69832238115.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent 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, 152330856 + ... + 152331191.

It is an arithmetic number, because the mean of its divisors is an integer number (4569930720).

Almost surely, 2^51183223896 is an apocalyptic number.

51183223896 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51183223896 is an abundant number, since it is smaller than the sum of its proper divisors (95054559144).

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

51183223896 is a wasteful number, since it uses less digits than its factorization.

51183223896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304662063 (or 304662059 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The spelling of 51183223896 in words is "fifty-one billion, one hundred eighty-three million, two hundred twenty-three thousand, eight hundred ninety-six".