51783412002 has 16 divisors (see below), whose sum is σ = 118362084672. Its totient is φ = 14795260560.

The previous prime is 51783411983. The next prime is 51783412007. The reversal of 51783412002 is 20021438715.

It is not an unprimeable number, because it can be changed into a prime (51783412007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616469149 + ... + 616469232.

It is an arithmetic number, because the mean of its divisors is an integer number (7397630292).

Almost surely, 2^51783412002 is an apocalyptic number.

51783412002 is an abundant number, since it is smaller than the sum of its proper divisors (66578672670).

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

51783412002 is a wasteful number, since it uses less digits than its factorization.

51783412002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232938393.

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 51783412002 in words is "fifty-one billion, seven hundred eighty-three million, four hundred twelve thousand, two".