55423766 has 4 divisors (see below), whose sum is σ = 83135652. Its totient is φ = 27711882.

The previous prime is 55423733. The next prime is 55423777. The reversal of 55423766 is 66732455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66732455 = 5 ⋅13346491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13855940 + ... + 13855943.

It is an arithmetic number, because the mean of its divisors is an integer number (20783913).

Almost surely, 2^55423766 is an apocalyptic number.

55423766 is a deficient number, since it is larger than the sum of its proper divisors (27711886).

55423766 is a wasteful number, since it uses less digits than its factorization.

55423766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27711885.

The product of its digits is 151200, while the sum is 38.

The square root of 55423766 is about 7444.7139636120. The cubic root of 55423766 is about 381.2694525235.

The spelling of 55423766 in words is "fifty-five million, four hundred twenty-three thousand, seven hundred sixty-six".