55280635 has 8 divisors (see below), whose sum is σ = 66744720. Its totient is φ = 43952544.

The previous prime is 55280611. The next prime is 55280663. The reversal of 55280635 is 53608255.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55280635 - 2⁹ = 55280123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55280635.

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, 33100 + ... + 34729.

It is an arithmetic number, because the mean of its divisors is an integer number (8343090).

Almost surely, 2^55280635 is an apocalyptic number.

55280635 is a deficient number, since it is larger than the sum of its proper divisors (11464085).

55280635 is a wasteful number, since it uses less digits than its factorization.

55280635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67997.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 55280635 is about 7435.0948211842. The cubic root of 55280635 is about 380.9409621416.

The spelling of 55280635 in words is "fifty-five million, two hundred eighty thousand, six hundred thirty-five".