55404537 has 8 divisors (see below), whose sum is σ = 73907904. Its totient is φ = 36918768.

The previous prime is 55404527. The next prime is 55404541. The reversal of 55404537 is 73540455.

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

It is not a de Polignac number, because 55404537 - 2⁴ = 55404521 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 55404498 and 55404507.

It is not an unprimeable number, because it can be changed into a prime (55404527) 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, 7723 + ... + 13055.

It is an arithmetic number, because the mean of its divisors is an integer number (9238488).

Almost surely, 2^55404537 is an apocalyptic number.

It is an amenable number.

55404537 is a deficient number, since it is larger than the sum of its proper divisors (18503367).

55404537 is a wasteful number, since it uses less digits than its factorization.

55404537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8799.

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 55404537 is about 7443.4223983326. The cubic root of 55404537 is about 381.2253542431.

The spelling of 55404537 in words is "fifty-five million, four hundred four thousand, five hundred thirty-seven".