53780078002392 has 192 divisors, whose sum is σ = 167753421576000. Its totient is φ = 15246891113472.

The previous prime is 53780078002369. The next prime is 53780078002429. The reversal of 53780078002392 is 29320087008735.

53780078002392 is a `hidden beast` number, since 537 + 8 + 0 + 0 + 7 + 80 + 0 + 23 + 9 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43774834 + ... + 44986622.

It is an arithmetic number, because the mean of its divisors is an integer number (873715737375).

Almost surely, 2^{53780078002392} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53780078002392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83876710788000).

53780078002392 is an abundant number, since it is smaller than the sum of its proper divisors (113973343573608).

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

53780078002392 is a wasteful number, since it uses less digits than its factorization.

53780078002392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212490 (or 1212483 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 53780078002392 in words is "fifty-three trillion, seven hundred eighty billion, seventy-eight million, two thousand, three hundred ninety-two".