75855103 has 4 divisors (see below), whose sum is σ = 76894288. Its totient is φ = 74815920.

The previous prime is 75855083. The next prime is 75855113. The reversal of 75855103 is 30155857.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30155857 = 43 ⋅701299.

It is a cyclic number.

It is not a de Polignac number, because 75855103 - 2⁹ = 75854591 is a prime.

It is a super-2 number, since 2×75855103² = 11507993302281218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75855113) 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, 519483 + ... + 519628.

It is an arithmetic number, because the mean of its divisors is an integer number (19223572).

Almost surely, 2^75855103 is an apocalyptic number.

75855103 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

75855103 is a deficient number, since it is larger than the sum of its proper divisors (1039185).

75855103 is a wasteful number, since it uses less digits than its factorization.

75855103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039184.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 75855103 is about 8709.4835093707. The cubic root of 75855103 is about 423.3129950067.

The spelling of 75855103 in words is "seventy-five million, eight hundred fifty-five thousand, one hundred three".