55597148 has 24 divisors (see below), whose sum is σ = 100124640. Its totient is φ = 26996480.

The previous prime is 55597133. The next prime is 55597177. The reversal of 55597148 is 84179555.

It is a junction number, because it is equal to n+sod(n) for n = 55597099 and 55597108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42488 + ... + 43776.

It is an arithmetic number, because the mean of its divisors is an integer number (4171860).

Almost surely, 2^55597148 is an apocalyptic number.

It is an amenable number.

55597148 is a deficient number, since it is larger than the sum of its proper divisors (44527492).

55597148 is a wasteful number, since it uses less digits than its factorization.

55597148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597 (or 1595 counting only the distinct ones).

The product of its digits is 252000, while the sum is 44.

The square root of 55597148 is about 7456.3495089756. The cubic root of 55597148 is about 381.6666133581. Note that the first 4 decimals are identical.

The spelling of 55597148 in words is "fifty-five million, five hundred ninety-seven thousand, one hundred forty-eight".