53737947379 has 4 divisors (see below), whose sum is σ = 53806230184. Its totient is φ = 53669664576.

The previous prime is 53737947371. The next prime is 53737947383. The reversal of 53737947379 is 97374973735.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53737947379 - 2³ = 53737947371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53737947379.

It is not an unprimeable number, because it can be changed into a prime (53737947371) 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, 34140222 + ... + 34141795.

It is an arithmetic number, because the mean of its divisors is an integer number (13451557546).

Almost surely, 2^53737947379 is an apocalyptic number.

53737947379 is a deficient number, since it is larger than the sum of its proper divisors (68282805).

53737947379 is an equidigital number, since it uses as much as digits as its factorization.

53737947379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68282804.

The product of its digits is 105019740, while the sum is 64.

The spelling of 53737947379 in words is "fifty-three billion, seven hundred thirty-seven million, nine hundred forty-seven thousand, three hundred seventy-nine".