55022007 has 16 divisors (see below), whose sum is σ = 75220992. Its totient is φ = 35758560.

The previous prime is 55021973. The next prime is 55022027. The reversal of 55022007 is 70022055.

It is not a de Polignac number, because 55022007 - 2⁸ = 55021751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55022027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44082 + ... + 45312.

It is an arithmetic number, because the mean of its divisors is an integer number (4701312).

Almost surely, 2^55022007 is an apocalyptic number.

55022007 is a deficient number, since it is larger than the sum of its proper divisors (20198985).

55022007 is a wasteful number, since it uses less digits than its factorization.

55022007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598.

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 55022007 is about 7417.6820503443. The cubic root of 55022007 is about 380.3459614791.

The spelling of 55022007 in words is "fifty-five million, twenty-two thousand, seven".