54215433451246 has 16 divisors (see below), whose sum is σ = 81384357629520. Its totient is φ = 27087317193600.

The previous prime is 54215433451237. The next prime is 54215433451279. The reversal of 54215433451246 is 64215433451245.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 54215433451246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36348000 + ... + 37810156.

It is an arithmetic number, because the mean of its divisors is an integer number (5086522351845).

Almost surely, 2^{54215433451246} is an apocalyptic number.

54215433451246 is a deficient number, since it is larger than the sum of its proper divisors (27168924178274).

54215433451246 is a wasteful number, since it uses less digits than its factorization.

54215433451246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476099.

The product of its digits is 6912000, while the sum is 49.

Subtracting 54215433451246 from its reverse (64215433451245), we obtain a palindrome (9999999999999).

The spelling of 54215433451246 in words is "fifty-four trillion, two hundred fifteen billion, four hundred thirty-three million, four hundred fifty-one thousand, two hundred forty-six".