55647746 has 16 divisors (see below), whose sum is σ = 104068800. Its totient is φ = 21680880.

The previous prime is 55647737. The next prime is 55647769. The reversal of 55647746 is 64774655.

It is a junction number, because it is equal to n+sod(n) for n = 55647697 and 55647706.

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, 180521 + ... + 180828.

It is an arithmetic number, because the mean of its divisors is an integer number (6504300).

Almost surely, 2^55647746 is an apocalyptic number.

55647746 is a deficient number, since it is larger than the sum of its proper divisors (48421054).

55647746 is a wasteful number, since it uses less digits than its factorization.

55647746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361369.

The product of its digits is 705600, while the sum is 44.

The square root of 55647746 is about 7459.7416845357. The cubic root of 55647746 is about 381.7823609733.

The spelling of 55647746 in words is "fifty-five million, six hundred forty-seven thousand, seven hundred forty-six".