88561574 has 4 divisors (see below), whose sum is σ = 132842364. Its totient is φ = 44280786.

The previous prime is 88561549. The next prime is 88561579. The reversal of 88561574 is 47516588.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88561579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22140392 + ... + 22140395.

It is an arithmetic number, because the mean of its divisors is an integer number (33210591).

Almost surely, 2^88561574 is an apocalyptic number.

88561574 is a deficient number, since it is larger than the sum of its proper divisors (44280790).

88561574 is a wasteful number, since it uses less digits than its factorization.

88561574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44280789.

The product of its digits is 268800, while the sum is 44.

The square root of 88561574 is about 9410.7159132555. The cubic root of 88561574 is about 445.7401712076.

The spelling of 88561574 in words is "eighty-eight million, five hundred sixty-one thousand, five hundred seventy-four".