53542105054397 has 4 divisors (see below), whose sum is σ = 53542124150460. Its totient is φ = 53542085958336.

The previous prime is 53542105054391. The next prime is 53542105054411. The reversal of 53542105054397 is 79345050124535.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13276214471716 + 40265890582681 = 3643654^2 + 6345541^2 .

It is a cyclic number.

It is not a de Polignac number, because 53542105054397 - 2¹⁶ = 53542104988861 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 (53542105054391) 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, 4426598 + ... + 11255175.

It is an arithmetic number, because the mean of its divisors is an integer number (13385531037615).

Almost surely, 2^{53542105054397} is an apocalyptic number.

It is an amenable number.

53542105054397 is a deficient number, since it is larger than the sum of its proper divisors (19096063).

53542105054397 is a wasteful number, since it uses less digits than its factorization.

53542105054397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19096062.

The product of its (nonzero) digits is 11340000, while the sum is 53.

The spelling of 53542105054397 in words is "fifty-three trillion, five hundred forty-two billion, one hundred five million, fifty-four thousand, three hundred ninety-seven".