55574686 has 4 divisors (see below), whose sum is σ = 83362032. Its totient is φ = 27787342.

The previous prime is 55574671. The next prime is 55574689. The reversal of 55574686 is 68647555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68647555 = 5 ⋅13729511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55574689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13893670 + ... + 13893673.

It is an arithmetic number, because the mean of its divisors is an integer number (20840508).

Almost surely, 2^55574686 is an apocalyptic number.

55574686 is a deficient number, since it is larger than the sum of its proper divisors (27787346).

55574686 is a wasteful number, since it uses less digits than its factorization.

55574686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27787345.

The product of its digits is 1008000, while the sum is 46.

The square root of 55574686 is about 7454.8431237686. The cubic root of 55574686 is about 381.6152069426.

The spelling of 55574686 in words is "fifty-five million, five hundred seventy-four thousand, six hundred eighty-six".