55665356 has 6 divisors (see below), whose sum is σ = 97414380. Its totient is φ = 27832676.

The previous prime is 55665341. The next prime is 55665391. The reversal of 55665356 is 65356655.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6958166 + ... + 6958173.

It is an arithmetic number, because the mean of its divisors is an integer number (16235730).

Almost surely, 2^55665356 is an apocalyptic number.

It is an amenable number.

55665356 is a deficient number, since it is larger than the sum of its proper divisors (41749024).

55665356 is a wasteful number, since it uses less digits than its factorization.

55665356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13916343 (or 13916341 counting only the distinct ones).

The product of its digits is 405000, while the sum is 41.

The square root of 55665356 is about 7460.9219269471. The cubic root of 55665356 is about 381.8226290212.

The spelling of 55665356 in words is "fifty-five million, six hundred sixty-five thousand, three hundred fifty-six".