46801815553 has 4 divisors (see below), whose sum is σ = 47442936388. Its totient is φ = 46160694720.

The previous prime is 46801815539. The next prime is 46801815559. The reversal of 46801815553 is 35551810864.

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 38438347249 + 8363468304 = 196057^2 + 91452^2 .

It is a cyclic number.

It is not a de Polignac number, because 46801815553 - 2⁹ = 46801815041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46801815559) 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, 320560308 + ... + 320560453.

It is an arithmetic number, because the mean of its divisors is an integer number (11860734097).

Almost surely, 2^46801815553 is an apocalyptic number.

It is an amenable number.

46801815553 is a deficient number, since it is larger than the sum of its proper divisors (641120835).

46801815553 is an equidigital number, since it uses as much as digits as its factorization.

46801815553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641120834.

The product of its (nonzero) digits is 576000, while the sum is 46.

The spelling of 46801815553 in words is "forty-six billion, eight hundred one million, eight hundred fifteen thousand, five hundred fifty-three".