55563311566742 has 16 divisors (see below), whose sum is σ = 95376557361312. Its totient is φ = 23781556288320.

The previous prime is 55563311566661. The next prime is 55563311566759. The reversal of 55563311566742 is 24766511336555.

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, 2607616133 + ... + 2607637440.

It is an arithmetic number, because the mean of its divisors is an integer number (5961034835082).

Almost surely, 2^{55563311566742} is an apocalyptic number.

55563311566742 is a deficient number, since it is larger than the sum of its proper divisors (39813245794570).

55563311566742 is a wasteful number, since it uses less digits than its factorization.

55563311566742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5215254343.

The product of its digits is 68040000, while the sum is 59.

The spelling of 55563311566742 in words is "fifty-five trillion, five hundred sixty-three billion, three hundred eleven million, five hundred sixty-six thousand, seven hundred forty-two".