61060555 has 4 divisors (see below), whose sum is σ = 73272672. Its totient is φ = 48848440.

The previous prime is 61060553. The next prime is 61060621. The reversal of 61060555 is 55506016.

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

It is not a de Polignac number, because 61060555 - 2¹ = 61060553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61060553) 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, 6106051 + ... + 6106060.

It is an arithmetic number, because the mean of its divisors is an integer number (18318168).

Almost surely, 2^61060555 is an apocalyptic number.

61060555 is a deficient number, since it is larger than the sum of its proper divisors (12212117).

61060555 is a wasteful number, since it uses less digits than its factorization.

61060555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12212116.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 61060555 is about 7814.1253509270. The cubic root of 61060555 is about 393.7799345681.

The spelling of 61060555 in words is "sixty-one million, sixty thousand, five hundred fifty-five".