51982157783 has 8 divisors (see below), whose sum is σ = 52408854528. Its totient is φ = 51555732984.

The previous prime is 51982157761. The next prime is 51982157797. The reversal of 51982157783 is 38775128915.

51982157783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 51982157783 - 2⁶ = 51982157719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51982157753) 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, 325160 + ... + 457922.

It is an arithmetic number, because the mean of its divisors is an integer number (6551106816).

Almost surely, 2^51982157783 is an apocalyptic number.

51982157783 is a deficient number, since it is larger than the sum of its proper divisors (426696745).

51982157783 is a wasteful number, since it uses less digits than its factorization.

51982157783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135973.

The product of its digits is 4233600, while the sum is 56.

The spelling of 51982157783 in words is "fifty-one billion, nine hundred eighty-two million, one hundred fifty-seven thousand, seven hundred eighty-three".