55870026 has 16 divisors (see below), whose sum is σ = 112321344. Its totient is φ = 18526464.

The previous prime is 55870019. The next prime is 55870049. The reversal of 55870026 is 62007855.

It is a happy number.

It is a Curzon 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, 22966 + ... + 25281.

It is an arithmetic number, because the mean of its divisors is an integer number (7020084).

Almost surely, 2^55870026 is an apocalyptic number.

55870026 is an abundant number, since it is smaller than the sum of its proper divisors (56451318).

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

55870026 is a wasteful number, since it uses less digits than its factorization.

55870026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48445.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 55870026 is about 7474.6254755673. The cubic root of 55870026 is about 382.2900176012.

The spelling of 55870026 in words is "fifty-five million, eight hundred seventy thousand, twenty-six".