55742636463 has 8 divisors (see below), whose sum is σ = 74445961728. Its totient is φ = 37100534424.

The previous prime is 55742636431. The next prime is 55742636497. The reversal of 55742636463 is 36463624755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55742636463 - 2⁵ = 55742636431 is a prime.

It is a super-3 number, since 3×55742636463³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55742634463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15303681 + ... + 15307322.

It is an arithmetic number, because the mean of its divisors is an integer number (9305745216).

Almost surely, 2^55742636463 is an apocalyptic number.

55742636463 is a deficient number, since it is larger than the sum of its proper divisors (18703325265).

55742636463 is a wasteful number, since it uses less digits than its factorization.

55742636463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30611613.

The product of its digits is 10886400, while the sum is 51.

The spelling of 55742636463 in words is "fifty-five billion, seven hundred forty-two million, six hundred thirty-six thousand, four hundred sixty-three".