53042400445 has 4 divisors (see below), whose sum is σ = 63650880540. Its totient is φ = 42433920352.

The previous prime is 53042400431. The next prime is 53042400461. The reversal of 53042400445 is 54400424035.

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 9925539129 + 43116861316 = 99627^2 + 207646^2 .

It is a cyclic number.

It is not a de Polignac number, because 53042400445 - 2⁹ = 53042399933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5304240040 + ... + 5304240049.

It is an arithmetic number, because the mean of its divisors is an integer number (15912720135).

Almost surely, 2^53042400445 is an apocalyptic number.

It is an amenable number.

53042400445 is a deficient number, since it is larger than the sum of its proper divisors (10608480095).

53042400445 is a wasteful number, since it uses less digits than its factorization.

53042400445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10608480094.

The product of its (nonzero) digits is 38400, while the sum is 31.

The spelling of 53042400445 in words is "fifty-three billion, forty-two million, four hundred thousand, four hundred forty-five".