55404535 has 4 divisors (see below), whose sum is σ = 66485448. Its totient is φ = 44323624.

The previous prime is 55404527. The next prime is 55404541. The reversal of 55404535 is 53540455.

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

It is a cyclic number.

It is not a de Polignac number, because 55404535 - 2³ = 55404527 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55404497 and 55404506.

It is a congruent 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, 5540449 + ... + 5540458.

It is an arithmetic number, because the mean of its divisors is an integer number (16621362).

Almost surely, 2^55404535 is an apocalyptic number.

55404535 is a deficient number, since it is larger than the sum of its proper divisors (11080913).

55404535 is a wasteful number, since it uses less digits than its factorization.

55404535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11080912.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 55404535 is about 7443.4222639858. The cubic root of 55404535 is about 381.2253496559.

The spelling of 55404535 in words is "fifty-five million, four hundred four thousand, five hundred thirty-five".