55197946 has 16 divisors (see below), whose sum is σ = 88022376. Its totient is φ = 25870336.

The previous prime is 55197937. The next prime is 55197971. The reversal of 55197946 is 64979155.

It can be written as a sum of positive squares in 4 ways, for example, as 54597321 + 600625 = 7389^2 + 775^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55197896 and 55197905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5580 + ... + 11896.

Almost surely, 2^55197946 is an apocalyptic number.

55197946 is a deficient number, since it is larger than the sum of its proper divisors (32824430).

55197946 is a wasteful number, since it uses less digits than its factorization.

55197946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6593.

The product of its digits is 340200, while the sum is 46.

The square root of 55197946 is about 7429.5320175634. The cubic root of 55197946 is about 380.7509296764.

The spelling of 55197946 in words is "fifty-five million, one hundred ninety-seven thousand, nine hundred forty-six".