61586055 has 16 divisors (see below), whose sum is σ = 109486560. Its totient is φ = 32845824.

The previous prime is 61586033. The next prime is 61586071. The reversal of 61586055 is 55068516.

It is not a de Polignac number, because 61586055 - 2⁶ = 61585991 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227962 + ... + 228231.

It is an arithmetic number, because the mean of its divisors is an integer number (6842910).

Almost surely, 2^61586055 is an apocalyptic number.

61586055 is a deficient number, since it is larger than the sum of its proper divisors (47900505).

61586055 is a wasteful number, since it uses less digits than its factorization.

61586055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456207 (or 456201 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 61586055 is about 7847.6783190954. The cubic root of 61586055 is about 394.9063603275.

The spelling of 61586055 in words is "sixty-one million, five hundred eighty-six thousand, fifty-five".