55001766 has 16 divisors (see below), whose sum is σ = 116474544. Its totient is φ = 17255424.

The previous prime is 55001761. The next prime is 55001819. The reversal of 55001766 is 66710055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55001761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269515 + ... + 269718.

It is an arithmetic number, because the mean of its divisors is an integer number (7279659).

Almost surely, 2^55001766 is an apocalyptic number.

55001766 is an abundant number, since it is smaller than the sum of its proper divisors (61472778).

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

55001766 is a wasteful number, since it uses less digits than its factorization.

55001766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539255.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 55001766 is about 7416.3175498356. The cubic root of 55001766 is about 380.2993163441.

The spelling of 55001766 in words is "fifty-five million, one thousand, seven hundred sixty-six".