51782404032 has 56 divisors (see below), whose sum is σ = 152230683600. Its totient is φ = 17260800768.

The previous prime is 51782404001. The next prime is 51782404057. The reversal of 51782404032 is 23040428715.

It is a happy number.

51782404032 is a `hidden beast` number, since 5 + 1 + 7 + 8 + 240 + 403 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

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, 14981607 + ... + 14985062.

Almost surely, 2^51782404032 is an apocalyptic number.

It is an amenable number.

51782404032 is an abundant number, since it is smaller than the sum of its proper divisors (100448279568).

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

51782404032 is a wasteful number, since it uses less digits than its factorization.

51782404032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29966690 (or 29966674 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 51782404032 in words is "fifty-one billion, seven hundred eighty-two million, four hundred four thousand, thirty-two".