75054550403 has 4 divisors (see below), whose sum is σ = 85776629040. Its totient is φ = 64332471768.

The previous prime is 75054550397. The next prime is 75054550477. The reversal of 75054550403 is 30405545057.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30405545057 = 43 ⋅707105699.

It is a cyclic number.

It is not a de Polignac number, because 75054550403 - 2⁴ = 75054550387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75054550603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5361039308 + ... + 5361039321.

It is an arithmetic number, because the mean of its divisors is an integer number (21444157260).

Almost surely, 2^75054550403 is an apocalyptic number.

75054550403 is a deficient number, since it is larger than the sum of its proper divisors (10722078637).

75054550403 is a wasteful number, since it uses less digits than its factorization.

75054550403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10722078636.

The product of its (nonzero) digits is 210000, while the sum is 38.

The spelling of 75054550403 in words is "seventy-five billion, fifty-four million, five hundred fifty thousand, four hundred three".