75055545551 has 8 divisors (see below), whose sum is σ = 86610561024. Its totient is φ = 63708728760.

The previous prime is 75055545527. The next prime is 75055545589. The reversal of 75055545551 is 15554555057.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75055545551 - 2²² = 75051351247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75055545496 and 75055545505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75055515551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52048895 + ... + 52050336.

It is an arithmetic number, because the mean of its divisors is an integer number (10826320128).

Almost surely, 2^75055545551 is an apocalyptic number.

75055545551 is a deficient number, since it is larger than the sum of its proper divisors (11555015473).

75055545551 is a wasteful number, since it uses less digits than its factorization.

75055545551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104099341.

The product of its (nonzero) digits is 2187500, while the sum is 47.

The spelling of 75055545551 in words is "seventy-five billion, fifty-five million, five hundred forty-five thousand, five hundred fifty-one".