60051640 has 32 divisors (see below), whose sum is σ = 147400560. Its totient is φ = 21836800.

The previous prime is 60051623. The next prime is 60051659. The reversal of 60051640 is 4615006.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67801 + ... + 68680.

Almost surely, 2^60051640 is an apocalyptic number.

It is an amenable number.

60051640 is an abundant number, since it is smaller than the sum of its proper divisors (87348920).

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

60051640 is a wasteful number, since it uses less digits than its factorization.

60051640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136503 (or 136499 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 60051640 is about 7749.2993231646. The cubic root of 60051640 is about 391.5990451136.

Adding to 60051640 its reverse (4615006), we get a palindrome (64666646).

The spelling of 60051640 in words is "sixty million, fifty-one thousand, six hundred forty".