71094553 has 4 divisors (see below), whose sum is σ = 71296308. Its totient is φ = 70892800.

The previous prime is 71094511. The next prime is 71094589. The reversal of 71094553 is 35549017.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35549017 = 7 ⋅5078431.

It can be written as a sum of positive squares in 2 ways, for example, as 19642624 + 51451929 = 4432^2 + 7173^2 .

It is a cyclic number.

It is not a de Polignac number, because 71094553 - 2¹⁷ = 70963481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71094053) 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, 100348 + ... + 101053.

It is an arithmetic number, because the mean of its divisors is an integer number (17824077).

Almost surely, 2^71094553 is an apocalyptic number.

It is an amenable number.

71094553 is a deficient number, since it is larger than the sum of its proper divisors (201755).

71094553 is a wasteful number, since it uses less digits than its factorization.

71094553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201754.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 71094553 is about 8431.7585947417. The cubic root of 71094553 is about 414.2655087762.

The spelling of 71094553 in words is "seventy-one million, ninety-four thousand, five hundred fifty-three".