55573564 has 6 divisors (see below), whose sum is σ = 97253744. Its totient is φ = 27786780.

The previous prime is 55573489. The next prime is 55573579. The reversal of 55573564 is 46537555.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6946692 + ... + 6946699.

Almost surely, 2^55573564 is an apocalyptic number.

It is an amenable number.

55573564 is a deficient number, since it is larger than the sum of its proper divisors (41680180).

55573564 is a wasteful number, since it uses less digits than its factorization.

55573564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13893395 (or 13893393 counting only the distinct ones).

The product of its digits is 315000, while the sum is 40.

The square root of 55573564 is about 7454.7678702962. The cubic root of 55573564 is about 381.6126387761.

The spelling of 55573564 in words is "fifty-five million, five hundred seventy-three thousand, five hundred sixty-four".