55607826 has 16 divisors (see below), whose sum is σ = 111290400. Its totient is φ = 18523488.

The previous prime is 55607807. The next prime is 55607857. The reversal of 55607826 is 62870655.

It is a happy number.

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, 12870 + ... + 16638.

It is an arithmetic number, because the mean of its divisors is an integer number (6955650).

Almost surely, 2^55607826 is an apocalyptic number.

55607826 is an abundant number, since it is smaller than the sum of its proper divisors (55682574).

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

55607826 is a wasteful number, since it uses less digits than its factorization.

55607826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6233.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 55607826 is about 7457.0655086301. The cubic root of 55607826 is about 381.6910461174.

The spelling of 55607826 in words is "fifty-five million, six hundred seven thousand, eight hundred twenty-six".