61555094 has 4 divisors (see below), whose sum is σ = 92332644. Its totient is φ = 30777546.

The previous prime is 61555093. The next prime is 61555097. The reversal of 61555094 is 49055516.

61555094 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61555093) 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 as a sum of consecutive naturals, namely, 15388772 + ... + 15388775.

It is an arithmetic number, because the mean of its divisors is an integer number (23083161).

Almost surely, 2^61555094 is an apocalyptic number.

61555094 is a deficient number, since it is larger than the sum of its proper divisors (30777550).

61555094 is a wasteful number, since it uses less digits than its factorization.

61555094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30777549.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 61555094 is about 7845.7054494800. The cubic root of 61555094 is about 394.8401724797.

The spelling of 61555094 in words is "sixty-one million, five hundred fifty-five thousand, ninety-four".