83557454 has 4 divisors (see below), whose sum is σ = 125336184. Its totient is φ = 41778726.

The previous prime is 83557451. The next prime is 83557457. The reversal of 83557454 is 45475538.

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

It is an interprime number because it is at equal distance from previous prime (83557451) and next prime (83557457).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83557451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20889362 + ... + 20889365.

It is an arithmetic number, because the mean of its divisors is an integer number (31334046).

Almost surely, 2^83557454 is an apocalyptic number.

83557454 is a deficient number, since it is larger than the sum of its proper divisors (41778730).

83557454 is a wasteful number, since it uses less digits than its factorization.

83557454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41778729.

The product of its digits is 336000, while the sum is 41.

The square root of 83557454 is about 9140.9766436634. The cubic root of 83557454 is about 437.1814567239.

The spelling of 83557454 in words is "eighty-three million, five hundred fifty-seven thousand, four hundred fifty-four".