55583351 has 4 divisors (see below), whose sum is σ = 56093400. Its totient is φ = 55073304.

The previous prime is 55583347. The next prime is 55583371. The reversal of 55583351 is 15338555.

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 55583351 - 2² = 55583347 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 (55583321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254861 + ... + 255078.

It is an arithmetic number, because the mean of its divisors is an integer number (14023350).

Almost surely, 2^55583351 is an apocalyptic number.

55583351 is a deficient number, since it is larger than the sum of its proper divisors (510049).

55583351 is a wasteful number, since it uses less digits than its factorization.

55583351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510048.

The product of its digits is 45000, while the sum is 35.

The square root of 55583351 is about 7455.4242669348. The cubic root of 55583351 is about 381.6350392570.

The spelling of 55583351 in words is "fifty-five million, five hundred eighty-three thousand, three hundred fifty-one".