54465977956445 has 32 divisors (see below), whose sum is σ = 71848132735104. Its totient is φ = 39307636076800.

The previous prime is 54465977956409. The next prime is 54465977956451.

It is a happy number.

54465977956445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54465977956445 - 2¹⁸ = 54465977694301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54465977956445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193046699 + ... + 193328631.

It is an arithmetic number, because the mean of its divisors is an integer number (2245254147972).

Almost surely, 2^{54465977956445} is an apocalyptic number.

54465977956445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54465977956445 is a deficient number, since it is larger than the sum of its proper divisors (17382154778659).

54465977956445 is a wasteful number, since it uses less digits than its factorization.

54465977956445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308893.

The product of its digits is 22861440000, while the sum is 80.

The spelling of 54465977956445 in words is "fifty-four trillion, four hundred sixty-five billion, nine hundred seventy-seven million, nine hundred fifty-six thousand, four hundred forty-five".