60661552 has 40 divisors (see below), whose sum is σ = 135581600. Its totient is φ = 25754112.

The previous prime is 60661543. The next prime is 60661553. The reversal of 60661552 is 25516606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60661553) 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, 9724 + ... + 14692.

It is an arithmetic number, because the mean of its divisors is an integer number (3389540).

Almost surely, 2^60661552 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 60661552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67790800).

60661552 is an abundant number, since it is smaller than the sum of its proper divisors (74920048).

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

60661552 is a wasteful number, since it uses less digits than its factorization.

60661552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5093 (or 5087 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 60661552 is about 7788.5526254883. The cubic root of 60661552 is about 392.9203351225.

The spelling of 60661552 in words is "sixty million, six hundred sixty-one thousand, five hundred fifty-two".