54444421353445 has 4 divisors (see below), whose sum is σ = 65333305624140. Its totient is φ = 43555537082752.

The previous prime is 54444421353407. The next prime is 54444421353473. The reversal of 54444421353445 is 54435312444445.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6564899586436 + 47879521767009 = 2562206^2 + 6919503^2 .

It is a cyclic number.

It is not a de Polignac number, because 54444421353445 - 2²⁵ = 54444387799013 is a prime.

It is a super-2 number, since 2×54444421353445² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54444421353392 and 54444421353401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5444442135340 + ... + 5444442135349.

It is an arithmetic number, because the mean of its divisors is an integer number (16333326406035).

Almost surely, 2^{54444421353445} is an apocalyptic number.

It is an amenable number.

54444421353445 is a deficient number, since it is larger than the sum of its proper divisors (10888884270695).

54444421353445 is a wasteful number, since it uses less digits than its factorization.

54444421353445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10888884270694.

The product of its digits is 36864000, while the sum is 52.

The spelling of 54444421353445 in words is "fifty-four trillion, four hundred forty-four billion, four hundred twenty-one million, three hundred fifty-three thousand, four hundred forty-five".