85419554 has 16 divisors (see below), whose sum is σ = 147134880. Its totient is φ = 36783360.

The previous prime is 85419553. The next prime is 85419557. The reversal of 85419554 is 45591458.

It is not an unprimeable number, because it can be changed into a prime (85419553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101759 + ... + 102594.

It is an arithmetic number, because the mean of its divisors is an integer number (9195930).

Almost surely, 2^85419554 is an apocalyptic number.

85419554 is a deficient number, since it is larger than the sum of its proper divisors (61715326).

85419554 is a wasteful number, since it uses less digits than its factorization.

85419554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204385.

The product of its digits is 144000, while the sum is 41.

The square root of 85419554 is about 9242.2699592687. The cubic root of 85419554 is about 440.4051949243.

The spelling of 85419554 in words is "eighty-five million, four hundred nineteen thousand, five hundred fifty-four".