60611540 has 48 divisors (see below), whose sum is σ = 139938624. Its totient is φ = 21868800.

The previous prime is 60611519. The next prime is 60611557. The reversal of 60611540 is 4511606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29135 + ... + 31145.

It is an arithmetic number, because the mean of its divisors is an integer number (2915388).

Almost surely, 2^60611540 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 60611540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69969312).

60611540 is an abundant number, since it is smaller than the sum of its proper divisors (79327084).

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

60611540 is a wasteful number, since it uses less digits than its factorization.

60611540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168 (or 2166 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 60611540 is about 7785.3413541090. The cubic root of 60611540 is about 392.8123252770.

The spelling of 60611540 in words is "sixty million, six hundred eleven thousand, five hundred forty".