61556041 has 8 divisors (see below), whose sum is σ = 63043200. Its totient is φ = 60076368.

The previous prime is 61556039. The next prime is 61556051. The reversal of 61556041 is 14065516.

61556041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61556041 - 2¹ = 61556039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61556021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17010 + ... + 20308.

It is an arithmetic number, because the mean of its divisors is an integer number (7880400).

Almost surely, 2^61556041 is an apocalyptic number.

It is an amenable number.

61556041 is a deficient number, since it is larger than the sum of its proper divisors (1487159).

61556041 is a wasteful number, since it uses less digits than its factorization.

61556041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 61556041 is about 7845.7658007361. The cubic root of 61556041 is about 394.8421972877.

The spelling of 61556041 in words is "sixty-one million, five hundred fifty-six thousand, forty-one".