55623446 has 8 divisors (see below), whose sum is σ = 84440664. Its totient is φ = 27476560.

The previous prime is 55623443. The next prime is 55623457. The reversal of 55623446 is 64432655.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55623443) 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, 167375 + ... + 167706.

It is an arithmetic number, because the mean of its divisors is an integer number (10555083).

Almost surely, 2^55623446 is an apocalyptic number.

55623446 is a deficient number, since it is larger than the sum of its proper divisors (28817218).

55623446 is a wasteful number, since it uses less digits than its factorization.

55623446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335166.

The product of its digits is 86400, while the sum is 35.

The square root of 55623446 is about 7458.1127639638. The cubic root of 55623446 is about 381.7267812314.

The spelling of 55623446 in words is "fifty-five million, six hundred twenty-three thousand, four hundred forty-six".