55523805 has 8 divisors (see below), whose sum is σ = 88838112. Its totient is φ = 29612688.

The previous prime is 55523803. The next prime is 55523813. The reversal of 55523805 is 50832555.

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

It is not a de Polignac number, because 55523805 - 2¹ = 55523803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55523801) 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, 1850779 + ... + 1850808.

It is an arithmetic number, because the mean of its divisors is an integer number (11104764).

Almost surely, 2^55523805 is an apocalyptic number.

It is an amenable number.

55523805 is a deficient number, since it is larger than the sum of its proper divisors (33314307).

55523805 is a wasteful number, since it uses less digits than its factorization.

55523805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3701595.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 55523805 is about 7451.4297285823. The cubic root of 55523805 is about 381.4987097059.

The spelling of 55523805 in words is "fifty-five million, five hundred twenty-three thousand, eight hundred five".