53378587511 has 8 divisors (see below), whose sum is σ = 53895884160. Its totient is φ = 52863606072.

The previous prime is 53378587477. The next prime is 53378587513. The reversal of 53378587511 is 11578587335.

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 53378587511 - 2¹⁸ = 53378325367 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 (53378587513) 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, 532451 + ... + 624708.

It is an arithmetic number, because the mean of its divisors is an integer number (6736985520).

Almost surely, 2^53378587511 is an apocalyptic number.

53378587511 is a deficient number, since it is larger than the sum of its proper divisors (517296649).

53378587511 is a wasteful number, since it uses less digits than its factorization.

53378587511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157605.

The product of its digits is 3528000, while the sum is 53.

The spelling of 53378587511 in words is "fifty-three billion, three hundred seventy-eight million, five hundred eighty-seven thousand, five hundred eleven".