85513355 has 4 divisors (see below), whose sum is σ = 102616032. Its totient is φ = 68410680.

The previous prime is 85513339. The next prime is 85513411. The reversal of 85513355 is 55331558.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55331558 = 2 ⋅27665779.

It is not a de Polignac number, because 85513355 - 2⁴ = 85513339 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8551331 + ... + 8551340.

It is an arithmetic number, because the mean of its divisors is an integer number (25654008).

Almost surely, 2^85513355 is an apocalyptic number.

85513355 is a deficient number, since it is larger than the sum of its proper divisors (17102677).

85513355 is a wasteful number, since it uses less digits than its factorization.

85513355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17102676.

The product of its digits is 45000, while the sum is 35.

The square root of 85513355 is about 9247.3431319488. The cubic root of 85513355 is about 440.5663420063.

The spelling of 85513355 in words is "eighty-five million, five hundred thirteen thousand, three hundred fifty-five".