54456400465446 has 32 divisors (see below), whose sum is σ = 131793641464320. Its totient is φ = 14643737940096.

The previous prime is 54456400465427. The next prime is 54456400465447. The reversal of 54456400465446 is 64456400465445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54456400465447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38134733506 + ... + 38134734933.

It is an arithmetic number, because the mean of its divisors is an integer number (4118551295760).

Almost surely, 2^{54456400465446} is an apocalyptic number.

54456400465446 is an abundant number, since it is smaller than the sum of its proper divisors (77337240998874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54456400465446 is a wasteful number, since it uses less digits than its factorization.

54456400465446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76269468468.

The product of its (nonzero) digits is 110592000, while the sum is 57.

Subtracting 54456400465446 from its reverse (64456400465445), we obtain a palindrome (9999999999999).

The spelling of 54456400465446 in words is "fifty-four trillion, four hundred fifty-six billion, four hundred million, four hundred sixty-five thousand, four hundred forty-six".