55740497693493 has 8 divisors (see below), whose sum is σ = 75539035125856. Its totient is φ = 36551146028400.

The previous prime is 55740497693453. The next prime is 55740497693501. The reversal of 55740497693493 is 39439679404755.

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

It is not a de Polignac number, because 55740497693493 - 2¹⁰ = 55740497692469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55740497693453) 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, 152296441603 + ... + 152296441968.

It is an arithmetic number, because the mean of its divisors is an integer number (9442379390732).

Almost surely, 2^{55740497693493} is an apocalyptic number.

It is an amenable number.

55740497693493 is a deficient number, since it is larger than the sum of its proper divisors (19798537432363).

55740497693493 is a wasteful number, since it uses less digits than its factorization.

55740497693493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304592883635.

The product of its (nonzero) digits is 3086294400, while the sum is 75.

The spelling of 55740497693493 in words is "fifty-five trillion, seven hundred forty billion, four hundred ninety-seven million, six hundred ninety-three thousand, four hundred ninety-three".