55944623 has 12 divisors (see below), whose sum is σ = 66668112. Its totient is φ = 46781280.

The previous prime is 55944613. The next prime is 55944641. The reversal of 55944623 is 32644955.

It is not a de Polignac number, because 55944623 - 2¹² = 55940527 is a prime.

It is a super-2 number, since 2×55944623² = 6259601685224258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55944613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11915 + ... + 15932.

It is an arithmetic number, because the mean of its divisors is an integer number (5555676).

Almost surely, 2^55944623 is an apocalyptic number.

55944623 is a deficient number, since it is larger than the sum of its proper divisors (10723489).

55944623 is a wasteful number, since it uses less digits than its factorization.

55944623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27902 (or 27895 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 55944623 is about 7479.6138269298. The cubic root of 55944623 is about 382.4600849744.

The spelling of 55944623 in words is "fifty-five million, nine hundred forty-four thousand, six hundred twenty-three".