55297624 has 8 divisors (see below), whose sum is σ = 103683060. Its totient is φ = 27648808.

The previous prime is 55297621. The next prime is 55297631. The reversal of 55297624 is 42679255.

55297624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55297621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3456094 + ... + 3456109.

Almost surely, 2^55297624 is an apocalyptic number.

It is an amenable number.

55297624 is a deficient number, since it is larger than the sum of its proper divisors (48385436).

55297624 is a wasteful number, since it uses less digits than its factorization.

55297624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6912209 (or 6912205 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The square root of 55297624 is about 7436.2372205303. The cubic root of 55297624 is about 380.9799820934.

The spelling of 55297624 in words is "fifty-five million, two hundred ninety-seven thousand, six hundred twenty-four".