55473206 has 4 divisors (see below), whose sum is σ = 83209812. Its totient is φ = 27736602.

The previous prime is 55473203. The next prime is 55473239. The reversal of 55473206 is 60237455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60237455 = 5 ⋅12047491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55473203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13868300 + ... + 13868303.

It is an arithmetic number, because the mean of its divisors is an integer number (20802453).

Almost surely, 2^55473206 is an apocalyptic number.

55473206 is a deficient number, since it is larger than the sum of its proper divisors (27736606).

55473206 is a wasteful number, since it uses less digits than its factorization.

55473206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27736605.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 55473206 is about 7448.0337002460. The cubic root of 55473206 is about 381.3827875356.

The spelling of 55473206 in words is "fifty-five million, four hundred seventy-three thousand, two hundred six".