53546074321 has 4 divisors (see below), whose sum is σ = 53768257444. Its totient is φ = 53323891200.

The previous prime is 53546074277. The next prime is 53546074327. The reversal of 53546074321 is 12347064535.

It is a happy number.

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 25953210000 + 27592864321 = 161100^2 + 166111^2 .

It is a cyclic number.

It is not a de Polignac number, because 53546074321 - 2¹³ = 53546066129 is a prime.

It is a super-2 number, since 2×53546074321² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53546074327) 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, 111091200 + ... + 111091681.

It is an arithmetic number, because the mean of its divisors is an integer number (13442064361).

Almost surely, 2^53546074321 is an apocalyptic number.

It is an amenable number.

53546074321 is a deficient number, since it is larger than the sum of its proper divisors (222183123).

53546074321 is a wasteful number, since it uses less digits than its factorization.

53546074321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222183122.

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 53546074321 in words is "fifty-three billion, five hundred forty-six million, seventy-four thousand, three hundred twenty-one".