55624426 has 24 divisors (see below), whose sum is σ = 98771652. Its totient is φ = 23337600.

The previous prime is 55624421. The next prime is 55624427. The reversal of 55624426 is 62442655.

It can be written as a sum of positive squares in 2 ways, for example, as 50339025 + 5285401 = 7095^2 + 2299^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55624391 and 55624400.

It is not an unprimeable number, because it can be changed into a prime (55624421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5695 + ... + 11986.

Almost surely, 2^55624426 is an apocalyptic number.

55624426 is a deficient number, since it is larger than the sum of its proper divisors (43147226).

55624426 is a wasteful number, since it uses less digits than its factorization.

55624426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17718 (or 17707 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 55624426 is about 7458.1784639414. The cubic root of 55624426 is about 381.7290230321.

The spelling of 55624426 in words is "fifty-five million, six hundred twenty-four thousand, four hundred twenty-six".