61206055 has 8 divisors (see below), whose sum is σ = 73854144. Its totient is φ = 48693600.

The previous prime is 61206031. The next prime is 61206097. The reversal of 61206055 is 55060216.

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

It is not a de Polignac number, because 61206055 - 2⁷ = 61205927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32911 + ... + 34720.

It is an arithmetic number, because the mean of its divisors is an integer number (9231768).

Almost surely, 2^61206055 is an apocalyptic number.

61206055 is a deficient number, since it is larger than the sum of its proper divisors (12648089).

61206055 is a wasteful number, since it uses less digits than its factorization.

61206055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67817.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 61206055 is about 7823.4298744221. The cubic root of 61206055 is about 394.0924632898.

It can be divided in two parts, 61 and 206055, that added together give a square (206116 = 454²).

The spelling of 61206055 in words is "sixty-one million, two hundred six thousand, fifty-five".