55025646 has 32 divisors (see below), whose sum is σ = 119151648. Its totient is φ = 16840320.

The previous prime is 55025603. The next prime is 55025657. The reversal of 55025646 is 64652055.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13576 + ... + 17156.

It is an arithmetic number, because the mean of its divisors is an integer number (3723489).

Almost surely, 2^55025646 is an apocalyptic number.

55025646 is an abundant number, since it is smaller than the sum of its proper divisors (64126002).

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

55025646 is a wasteful number, since it uses less digits than its factorization.

55025646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 55025646 is about 7417.9273385495. The cubic root of 55025646 is about 380.3543462965.

The spelling of 55025646 in words is "fifty-five million, twenty-five thousand, six hundred forty-six".