55605534 has 16 divisors (see below), whose sum is σ = 111615888. Its totient is φ = 18467712.

The previous prime is 55605527. The next prime is 55605577. The reversal of 55605534 is 43550655.

55605534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55605534² = 6183950822850312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55605495 and 55605504.

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 7 ways as a sum of consecutive naturals, for example, 15067 + ... + 18390.

It is an arithmetic number, because the mean of its divisors is an integer number (6975993).

Almost surely, 2^55605534 is an apocalyptic number.

55605534 is an abundant number, since it is smaller than the sum of its proper divisors (56010354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55605534 is a wasteful number, since it uses less digits than its factorization.

55605534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33739.

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 55605534 is about 7456.9118272915. The cubic root of 55605534 is about 381.6858019641.

The spelling of 55605534 in words is "fifty-five million, six hundred five thousand, five hundred thirty-four".