55683447458 has 4 divisors (see below), whose sum is σ = 83525171190. Its totient is φ = 27841723728.

The previous prime is 55683447451. The next prime is 55683447473. The reversal of 55683447458 is 85474438655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85474438655 = 5 ⋅17094887731.

It can be written as a sum of positive squares in only one way, i.e., 30794283289 + 24889164169 = 175483^2 + 157763^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55683447397 and 55683447406.

It is not an unprimeable number, because it can be changed into a prime (55683447451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13920861863 + ... + 13920861866.

Almost surely, 2^55683447458 is an apocalyptic number.

55683447458 is a deficient number, since it is larger than the sum of its proper divisors (27841723732).

55683447458 is a wasteful number, since it uses less digits than its factorization.

55683447458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27841723731.

The product of its digits is 64512000, while the sum is 59.

The spelling of 55683447458 in words is "fifty-five billion, six hundred eighty-three million, four hundred forty-seven thousand, four hundred fifty-eight".