53278877837 has 4 divisors (see below), whose sum is σ = 53307725856. Its totient is φ = 53250029820.

The previous prime is 53278877831. The next prime is 53278877843. The reversal of 53278877837 is 73877887235.

53278877837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (53278877831) and next prime (53278877843).

It is a cyclic number.

It is not a de Polignac number, because 53278877837 - 2¹⁰ = 53278876813 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 (53278877831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14421239 + ... + 14424932.

It is an arithmetic number, because the mean of its divisors is an integer number (13326931464).

Almost surely, 2^53278877837 is an apocalyptic number.

It is an amenable number.

53278877837 is a deficient number, since it is larger than the sum of its proper divisors (28848019).

53278877837 is a wasteful number, since it uses less digits than its factorization.

53278877837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28848018.

The product of its digits is 110638080, while the sum is 65.

The spelling of 53278877837 in words is "fifty-three billion, two hundred seventy-eight million, eight hundred seventy-seven thousand, eight hundred thirty-seven".