55453805 has 32 divisors (see below), whose sum is σ = 77137920. Its totient is φ = 37871680.

The previous prime is 55453781. The next prime is 55453817. The reversal of 55453805 is 50835455.

55453805 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 55453805 - 2⁸ = 55453549 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 74264 + ... + 75006.

It is an arithmetic number, because the mean of its divisors is an integer number (2410560).

Almost surely, 2^55453805 is an apocalyptic number.

55453805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55453805 is a deficient number, since it is larger than the sum of its proper divisors (21684115).

55453805 is a wasteful number, since it uses less digits than its factorization.

55453805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 55453805 is about 7446.7311620603. The cubic root of 55453805 is about 381.3383212022.

The spelling of 55453805 in words is "fifty-five million, four hundred fifty-three thousand, eight hundred five".