55020567 has 32 divisors (see below), whose sum is σ = 87162880. Its totient is φ = 30209760.

The previous prime is 55020557. The next prime is 55020583. The reversal of 55020567 is 76502055.

55020567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55020567 - 2⁸ = 55020311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55020547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144984 + ... + 145362.

It is an arithmetic number, because the mean of its divisors is an integer number (2723840).

Almost surely, 2^55020567 is an apocalyptic number.

55020567 is a deficient number, since it is larger than the sum of its proper divisors (32142313).

55020567 is a wasteful number, since it uses less digits than its factorization.

55020567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 55020567 is about 7417.5849843463. The cubic root of 55020567 is about 380.3426433948.

The spelling of 55020567 in words is "fifty-five million, twenty thousand, five hundred sixty-seven".