55469199361 has 3 divisors (see below), whose sum is σ = 55469434881. Its totient is φ = 55468963842.

The previous prime is 55469199353. The next prime is 55469199391. The reversal of 55469199361 is 16399196455.

It is a happy number.

The square root of 55469199361 is 235519.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 55469199361 - 2³ = 55469199353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55469199296 and 55469199305.

It is not an unprimeable number, because it can be changed into a prime (55469199301) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 117760 + ... + 353278.

It is an arithmetic number, because the mean of its divisors is an integer number (18489811627).

Almost surely, 2^55469199361 is an apocalyptic number.

55469199361 is the 235519-th square number.

55469199361 is the 117760-th centered octagonal number.

It is an amenable number.

55469199361 is a deficient number, since it is larger than the sum of its proper divisors (235520).

55469199361 is an frugal number, since it uses more digits than its factorization.

55469199361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471038 (or 235519 counting only the distinct ones).

The product of its digits is 7873200, while the sum is 58.

The spelling of 55469199361 in words is "fifty-five billion, four hundred sixty-nine million, one hundred ninety-nine thousand, three hundred sixty-one".