55003607 has 4 divisors (see below), whose sum is σ = 55291776. Its totient is φ = 54715440.

The previous prime is 55003589. The next prime is 55003609. The reversal of 55003607 is 70630055.

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 55003607 - 2¹⁴ = 54987223 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 (55003609) 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, 143798 + ... + 144179.

It is an arithmetic number, because the mean of its divisors is an integer number (13822944).

Almost surely, 2^55003607 is an apocalyptic number.

55003607 is a deficient number, since it is larger than the sum of its proper divisors (288169).

55003607 is a wasteful number, since it uses less digits than its factorization.

55003607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288168.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 55003607 is about 7416.4416669991. The cubic root of 55003607 is about 380.3035593790.

The spelling of 55003607 in words is "fifty-five million, three thousand, six hundred seven".