60556990 has 32 divisors (see below), whose sum is σ = 123570720. Its totient is φ = 21181824.

The previous prime is 60556967. The next prime is 60556997. The reversal of 60556990 is 9965506.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60556997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9789 + ... + 14728.

It is an arithmetic number, because the mean of its divisors is an integer number (3861585).

Almost surely, 2^60556990 is an apocalyptic number.

60556990 is an abundant number, since it is smaller than the sum of its proper divisors (63013730).

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

60556990 is a wasteful number, since it uses less digits than its factorization.

60556990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24556.

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 60556990 is about 7781.8371866803. The cubic root of 60556990 is about 392.6944470430.

It can be divided in two parts, 60 and 556990, that multiplied together give a triangular number (33419400 = T₈₁₇₅).

The spelling of 60556990 in words is "sixty million, five hundred fifty-six thousand, nine hundred ninety".