55623953 has 8 divisors (see below), whose sum is σ = 69349440. Its totient is φ = 43343280.

The previous prime is 55623947. The next prime is 55623989. The reversal of 55623953 is 35932655.

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 55623953 - 2⁴ = 55623937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55623923) 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, 361118 + ... + 361271.

It is an arithmetic number, because the mean of its divisors is an integer number (8668680).

Almost surely, 2^55623953 is an apocalyptic number.

It is an amenable number.

55623953 is a deficient number, since it is larger than the sum of its proper divisors (13725487).

55623953 is a wasteful number, since it uses less digits than its factorization.

55623953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722407.

The product of its digits is 121500, while the sum is 38.

The square root of 55623953 is about 7458.1467537184. The cubic root of 55623953 is about 381.7279410234.

The spelling of 55623953 in words is "fifty-five million, six hundred twenty-three thousand, nine hundred fifty-three".