89956457 has 4 divisors (see below), whose sum is σ = 90453636. Its totient is φ = 89459280.

The previous prime is 89956417. The next prime is 89956487. The reversal of 89956457 is 75465998.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1201216 + 88755241 = 1096^2 + 9421^2 .

It is a cyclic number.

It is not a de Polignac number, because 89956457 - 2¹⁸ = 89694313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89956399 and 89956408.

It is not an unprimeable number, because it can be changed into a prime (89956417) 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, 248318 + ... + 248679.

It is an arithmetic number, because the mean of its divisors is an integer number (22613409).

Almost surely, 2^89956457 is an apocalyptic number.

It is an amenable number.

89956457 is a deficient number, since it is larger than the sum of its proper divisors (497179).

89956457 is a wasteful number, since it uses less digits than its factorization.

89956457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497178.

The product of its digits is 2721600, while the sum is 53.

The square root of 89956457 is about 9484.5377852587. The cubic root of 89956457 is about 448.0681912170.

The spelling of 89956457 in words is "eighty-nine million, nine hundred fifty-six thousand, four hundred fifty-seven".