85597562 has 4 divisors (see below), whose sum is σ = 128396346. Its totient is φ = 42798780.

The previous prime is 85597549. The next prime is 85597571. The reversal of 85597562 is 26579558.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26579558 = 2 ⋅13289779.

It can be written as a sum of positive squares in only one way, i.e., 47045881 + 38551681 = 6859^2 + 6209^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21399389 + ... + 21399392.

Almost surely, 2^85597562 is an apocalyptic number.

85597562 is a deficient number, since it is larger than the sum of its proper divisors (42798784).

85597562 is a wasteful number, since it uses less digits than its factorization.

85597562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42798783.

The product of its digits is 756000, while the sum is 47.

The square root of 85597562 is about 9251.8950491237. The cubic root of 85597562 is about 440.7109065571.

The spelling of 85597562 in words is "eighty-five million, five hundred ninety-seven thousand, five hundred sixty-two".