60811540 has 24 divisors (see below), whose sum is σ = 133257600. Its totient is φ = 23266848.

The previous prime is 60811529. The next prime is 60811549. The reversal of 60811540 is 4511806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60811549) 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, 65640 + ... + 66559.

It is an arithmetic number, because the mean of its divisors is an integer number (5552400).

Almost surely, 2^60811540 is an apocalyptic number.

It is an amenable number.

60811540 is an abundant number, since it is smaller than the sum of its proper divisors (72446060).

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

60811540 is a wasteful number, since it uses less digits than its factorization.

60811540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132231 (or 132229 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 60811540 is about 7798.1754276241. The cubic root of 60811540 is about 393.2439054250.

The spelling of 60811540 in words is "sixty million, eight hundred eleven thousand, five hundred forty".