55597535 has 16 divisors (see below), whose sum is σ = 77500992. Its totient is φ = 37497600.

The previous prime is 55597523. The next prime is 55597541. The reversal of 55597535 is 53579555.

It is not a de Polignac number, because 55597535 - 2²⁰ = 54548959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10886 + ... + 15155.

It is an arithmetic number, because the mean of its divisors is an integer number (4843812).

Almost surely, 2^55597535 is an apocalyptic number.

55597535 is a deficient number, since it is larger than the sum of its proper divisors (21903457).

55597535 is a wasteful number, since it uses less digits than its factorization.

55597535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26114.

The product of its digits is 590625, while the sum is 44.

The square root of 55597535 is about 7456.3754599671. The cubic root of 55597535 is about 381.6674989229.

The spelling of 55597535 in words is "fifty-five million, five hundred ninety-seven thousand, five hundred thirty-five".