5405521550445 has 24 divisors (see below), whose sum is σ = 9370041591456. Its totient is φ = 2882799933408.

The previous prime is 5405521550423. The next prime is 5405521550479. The reversal of 5405521550445 is 5440551255045.

It is a happy number.

5405521550445 is a `hidden beast` number, since 5 + 4 + 0 + 5 + 52 + 1 + 550 + 4 + 45 = 666.

It is not a de Polignac number, because 5405521550445 - 2⁶ = 5405521550381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5405521550445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2110299 + ... + 3906968.

It is an arithmetic number, because the mean of its divisors is an integer number (390418399644).

Almost surely, 2^{5405521550445} is an apocalyptic number.

It is an amenable number.

5405521550445 is a deficient number, since it is larger than the sum of its proper divisors (3964520041011).

5405521550445 is a wasteful number, since it uses less digits than its factorization.

5405521550445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6037241 (or 6037238 counting only the distinct ones).

The product of its (nonzero) digits is 2000000, while the sum is 45.

The spelling of 5405521550445 in words is "five trillion, four hundred five billion, five hundred twenty-one million, five hundred fifty thousand, four hundred forty-five".