61589488 has 30 divisors (see below), whose sum is σ = 125952504. Its totient is φ = 29171232.

The previous prime is 61589483. The next prime is 61589537. The reversal of 61589488 is 88498516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61589483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 445 + ... + 11107.

Almost surely, 2^61589488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61589488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62976252).

61589488 is an abundant number, since it is smaller than the sum of its proper divisors (64363016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61589488 is a wasteful number, since it uses less digits than its factorization.

61589488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10709 (or 10684 counting only the distinct ones).

The product of its digits is 552960, while the sum is 49.

The square root of 61589488 is about 7847.8970431575. The cubic root of 61589488 is about 394.9136979645.

The spelling of 61589488 in words is "sixty-one million, five hundred eighty-nine thousand, four hundred eighty-eight".