51612452804 has 48 divisors (see below), whose sum is σ = 99517372416. Its totient is φ = 23226084000.

The previous prime is 51612452789. The next prime is 51612452819. The reversal of 51612452804 is 40825421615.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51612452789) and next prime (51612452819).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11066177 + ... + 11070839.

It is an arithmetic number, because the mean of its divisors is an integer number (2073278592).

Almost surely, 2^51612452804 is an apocalyptic number.

It is an amenable number.

51612452804 is a deficient number, since it is larger than the sum of its proper divisors (47904919612).

51612452804 is a wasteful number, since it uses less digits than its factorization.

51612452804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7136 (or 7134 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 51612452804 in words is "fifty-one billion, six hundred twelve million, four hundred fifty-two thousand, eight hundred four".