85542451 has 8 divisors (see below), whose sum is σ = 90595584. Its totient is φ = 80600520.

The previous prime is 85542421. The next prime is 85542463. The reversal of 85542451 is 15424558.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85542451 - 2⁷ = 85542323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85542421) 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, 26215 + ... + 29296.

It is an arithmetic number, because the mean of its divisors is an integer number (11324448).

Almost surely, 2^85542451 is an apocalyptic number.

85542451 is a deficient number, since it is larger than the sum of its proper divisors (5053133).

85542451 is a wasteful number, since it uses less digits than its factorization.

85542451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55601.

The product of its digits is 32000, while the sum is 34.

The square root of 85542451 is about 9248.9162067780. The cubic root of 85542451 is about 440.6163040451.

The spelling of 85542451 in words is "eighty-five million, five hundred forty-two thousand, four hundred fifty-one".