55442606 has 16 divisors (see below), whose sum is σ = 86700240. Its totient is φ = 26557440.

The previous prime is 55442603. The next prime is 55442617. The reversal of 55442606 is 60624455.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55442603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3950 + ... + 11246.

It is an arithmetic number, because the mean of its divisors is an integer number (5418765).

Almost surely, 2^55442606 is an apocalyptic number.

55442606 is a deficient number, since it is larger than the sum of its proper divisors (31257634).

55442606 is a wasteful number, since it uses less digits than its factorization.

55442606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7459.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 55442606 is about 7445.9791834251. The cubic root of 55442606 is about 381.3126488107.

The spelling of 55442606 in words is "fifty-five million, four hundred forty-two thousand, six hundred six".