53802941787 has 24 divisors (see below), whose sum is σ = 88953637344. Its totient is φ = 30697432704.

The previous prime is 53802941783. The next prime is 53802941789. The reversal of 53802941787 is 78714920835.

It is a happy number.

53802941787 is a `hidden beast` number, since 5 + 380 + 2 + 94 + 178 + 7 = 666.

It is not a de Polignac number, because 53802941787 - 2² = 53802941783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53802941783) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 612778 + ... + 695055.

It is an arithmetic number, because the mean of its divisors is an integer number (3706401556).

Almost surely, 2^53802941787 is an apocalyptic number.

53802941787 is a deficient number, since it is larger than the sum of its proper divisors (35150695557).

53802941787 is a wasteful number, since it uses less digits than its factorization.

53802941787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308499 (or 1308496 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 53802941787 in words is "fifty-three billion, eight hundred two million, nine hundred forty-one thousand, seven hundred eighty-seven".