54640405412434 has 4 divisors (see below), whose sum is σ = 81960608118654. Its totient is φ = 27320202706216.

The previous prime is 54640405412407. The next prime is 54640405412441. The reversal of 54640405412434 is 43421450404645.

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

It can be written as a sum of positive squares in only one way, i.e., 43885921376025 + 10754484036409 = 6624645^2 + 3279403^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13660101353107 + ... + 13660101353110.

Almost surely, 2^{54640405412434} is an apocalyptic number.

54640405412434 is a deficient number, since it is larger than the sum of its proper divisors (27320202706220).

54640405412434 is a wasteful number, since it uses less digits than its factorization.

54640405412434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27320202706219.

The product of its (nonzero) digits is 3686400, while the sum is 46.

The spelling of 54640405412434 in words is "fifty-four trillion, six hundred forty billion, four hundred five million, four hundred twelve thousand, four hundred thirty-four".