75555522445 has 32 divisors (see below), whose sum is σ = 102099916800. Its totient is φ = 53257062144.

The previous prime is 75555522437. The next prime is 75555522451. The reversal of 75555522445 is 54422555557.

It is a happy number.

It is not a de Polignac number, because 75555522445 - 2³ = 75555522437 is a prime.

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, 663351 + ... + 768859.

It is an arithmetic number, because the mean of its divisors is an integer number (3190622400).

Almost surely, 2^75555522445 is an apocalyptic number.

It is an amenable number.

75555522445 is a deficient number, since it is larger than the sum of its proper divisors (26544394355).

75555522445 is a wasteful number, since it uses less digits than its factorization.

75555522445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106029.

The product of its digits is 7000000, while the sum is 49.

The spelling of 75555522445 in words is "seventy-five billion, five hundred fifty-five million, five hundred twenty-two thousand, four hundred forty-five".