55716776542 has 16 divisors (see below), whose sum is σ = 95543331840. Its totient is φ = 23871404088.

The previous prime is 55716776509. The next prime is 55716776543. The reversal of 55716776542 is 24567761755.

It is a super-2 number, since 2×55716776542² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55716776543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553078 + ... + 646009.

It is an arithmetic number, because the mean of its divisors is an integer number (5971458240).

Almost surely, 2^55716776542 is an apocalyptic number.

55716776542 is a deficient number, since it is larger than the sum of its proper divisors (39826555298).

55716776542 is a wasteful number, since it uses less digits than its factorization.

55716776542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202415.

The product of its digits is 12348000, while the sum is 55.

The spelling of 55716776542 in words is "fifty-five billion, seven hundred sixteen million, seven hundred seventy-six thousand, five hundred forty-two".