55738505 has 4 divisors (see below), whose sum is σ = 66886212. Its totient is φ = 44590800.

The previous prime is 55738483. The next prime is 55738517. The reversal of 55738505 is 50583755.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37650496 + 18088009 = 6136^2 + 4253^2 .

It is not a de Polignac number, because 55738505 - 2¹⁸ = 55476361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5573846 + ... + 5573855.

It is an arithmetic number, because the mean of its divisors is an integer number (16721553).

Almost surely, 2^55738505 is an apocalyptic number.

It is an amenable number.

55738505 is a deficient number, since it is larger than the sum of its proper divisors (11147707).

55738505 is a wasteful number, since it uses less digits than its factorization.

55738505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11147706.

The product of its (nonzero) digits is 105000, while the sum is 38.

The square root of 55738505 is about 7465.8224597160. The cubic root of 55738505 is about 381.9898049233.

The spelling of 55738505 in words is "fifty-five million, seven hundred thirty-eight thousand, five hundred five".