54215433451245 has 128 divisors (see below), whose sum is σ = 101712774850560. Its totient is φ = 24382352609280.

The previous prime is 54215433451237. The next prime is 54215433451279.

It is a happy number.

54215433451245 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54215433451245 - 2³ = 54215433451237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54215433451194 and 54215433451203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 30488542 + ... + 32217728.

It is an arithmetic number, because the mean of its divisors is an integer number (794631053520).

Almost surely, 2^{54215433451245} is an apocalyptic number.

54215433451245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54215433451245 is a deficient number, since it is larger than the sum of its proper divisors (47497341399315).

54215433451245 is a wasteful number, since it uses less digits than its factorization.

54215433451245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729435.

The product of its digits is 5760000, while the sum is 48.

It can be divided in two parts, 5421543 and 3451245, that added together give a palindrome (8872788).

The spelling of 54215433451245 in words is "fifty-four trillion, two hundred fifteen billion, four hundred thirty-three million, four hundred fifty-one thousand, two hundred forty-five".