55007623 has 8 divisors (see below), whose sum is σ = 60065280. Its totient is φ = 49959480.

The previous prime is 55007611. The next prime is 55007627. The reversal of 55007623 is 32670055.

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 55007623 - 2⁵ = 55007591 is a prime.

It is a super-2 number, since 2×55007623² = 6051677176220258, which contains 22 as substring.

55007623 is a modest number, since divided by 7623 gives 55 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 55007591 and 55007600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55007627) 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, 15786 + ... + 18952.

It is an arithmetic number, because the mean of its divisors is an integer number (7508160).

Almost surely, 2^55007623 is an apocalyptic number.

55007623 is a deficient number, since it is larger than the sum of its proper divisors (5057657).

55007623 is a wasteful number, since it uses less digits than its factorization.

55007623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4757.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 55007623 is about 7416.7124118439. The cubic root of 55007623 is about 380.3128149049.

Adding to 55007623 its reverse (32670055), we get a palindrome (87677678).

The spelling of 55007623 in words is "fifty-five million, seven thousand, six hundred twenty-three".