55726656 has 28 divisors (see below), whose sum is σ = 147443952. Its totient is φ = 18575488.

The previous prime is 55726651. The next prime is 55726669. The reversal of 55726656 is 65662755.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55726651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144930 + ... + 145313.

Almost surely, 2^55726656 is an apocalyptic number.

It is an amenable number.

55726656 is an abundant number, since it is smaller than the sum of its proper divisors (91717296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55726656 is a wasteful number, since it uses less digits than its factorization.

55726656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290258 (or 290248 counting only the distinct ones).

The product of its digits is 378000, while the sum is 42.

The square root of 55726656 is about 7465.0288679951. The cubic root of 55726656 is about 381.9627349593.

The spelling of 55726656 in words is "fifty-five million, seven hundred twenty-six thousand, six hundred fifty-six".