55313645564542 has 4 divisors (see below), whose sum is σ = 82970468346816. Its totient is φ = 27656822782270.

The previous prime is 55313645564537. The next prime is 55313645564603. The reversal of 55313645564542 is 24546554631355.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13828411391134 + ... + 13828411391137.

It is an arithmetic number, because the mean of its divisors is an integer number (20742617086704).

Almost surely, 2^{55313645564542} is an apocalyptic number.

55313645564542 is a deficient number, since it is larger than the sum of its proper divisors (27656822782274).

55313645564542 is a wasteful number, since it uses less digits than its factorization.

55313645564542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27656822782273.

The product of its digits is 129600000, while the sum is 58.

The spelling of 55313645564542 in words is "fifty-five trillion, three hundred thirteen billion, six hundred forty-five million, five hundred sixty-four thousand, five hundred forty-two".