55046536241561 has 4 divisors (see below), whose sum is σ = 55046686721124. Its totient is φ = 55046385762000.

The previous prime is 55046536241507. The next prime is 55046536241573. The reversal of 55046536241561 is 16514263564055.

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 52517342203225 + 2529194038336 = 7246885^2 + 1590344^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55046536241561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55046536241261) 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, 74689730 + ... + 75423131.

It is an arithmetic number, because the mean of its divisors is an integer number (13761671680281).

Almost surely, 2^{55046536241561} is an apocalyptic number.

It is an amenable number.

55046536241561 is a deficient number, since it is larger than the sum of its proper divisors (150479563).

55046536241561 is a wasteful number, since it uses less digits than its factorization.

55046536241561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150479562.

The product of its (nonzero) digits is 12960000, while the sum is 53.

The spelling of 55046536241561 in words is "fifty-five trillion, forty-six billion, five hundred thirty-six million, two hundred forty-one thousand, five hundred sixty-one".