60555531 has 4 divisors (see below), whose sum is σ = 80740712. Its totient is φ = 40370352.

The previous prime is 60555461. The next prime is 60555533. The reversal of 60555531 is 13555506.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 60555531 - 2¹⁹ = 60031243 is a prime.

It is a super-2 number, since 2×60555531² = 7333944669383922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60555533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10092586 + ... + 10092591.

It is an arithmetic number, because the mean of its divisors is an integer number (20185178).

Almost surely, 2^60555531 is an apocalyptic number.

60555531 is a deficient number, since it is larger than the sum of its proper divisors (20185181).

60555531 is a wasteful number, since it uses less digits than its factorization.

60555531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20185180.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 60555531 is about 7781.7434421857. The cubic root of 60555531 is about 392.6912932876.

The spelling of 60555531 in words is "sixty million, five hundred fifty-five thousand, five hundred thirty-one".