55404263 has 8 divisors (see below), whose sum is σ = 58060800. Its totient is φ = 52768408.

The previous prime is 55404227. The next prime is 55404313. The reversal of 55404263 is 36240455.

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

It is a cyclic number.

It is not a de Polignac number, because 55404263 - 2⁶ = 55404199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55404203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458 + ... + 10536.

It is an arithmetic number, because the mean of its divisors is an integer number (7257600).

Almost surely, 2^55404263 is an apocalyptic number.

55404263 is a deficient number, since it is larger than the sum of its proper divisors (2656537).

55404263 is a wasteful number, since it uses less digits than its factorization.

55404263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10341.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 55404263 is about 7443.4039927979. The cubic root of 55404263 is about 381.2247257992.

The spelling of 55404263 in words is "fifty-five million, four hundred four thousand, two hundred sixty-three".