55617542 has 16 divisors (see below), whose sum is σ = 87264000. Its totient is φ = 26535432.

The previous prime is 55617493. The next prime is 55617559. The reversal of 55617542 is 24571655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21743 + ... + 24165.

It is an arithmetic number, because the mean of its divisors is an integer number (5454000).

Almost surely, 2^55617542 is an apocalyptic number.

55617542 is a deficient number, since it is larger than the sum of its proper divisors (31646458).

55617542 is a wasteful number, since it uses less digits than its factorization.

55617542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947.

The product of its digits is 42000, while the sum is 35.

The square root of 55617542 is about 7457.7169428720. The cubic root of 55617542 is about 381.7132749684.

The spelling of 55617542 in words is "fifty-five million, six hundred seventeen thousand, five hundred forty-two".