55282907 has 4 divisors (see below), whose sum is σ = 56568600. Its totient is φ = 53997216.

The previous prime is 55282901. The next prime is 55282933. The reversal of 55282907 is 70928255.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55282907 - 2¹⁰ = 55281883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55282901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642782 + ... + 642867.

It is an arithmetic number, because the mean of its divisors is an integer number (14142150).

Almost surely, 2^55282907 is an apocalyptic number.

55282907 is a deficient number, since it is larger than the sum of its proper divisors (1285693).

55282907 is a wasteful number, since it uses less digits than its factorization.

55282907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285692.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 55282907 is about 7435.2476085198. The cubic root of 55282907 is about 380.9461808830.

The spelling of 55282907 in words is "fifty-five million, two hundred eighty-two thousand, nine hundred seven".