61273055 has 8 divisors (see below), whose sum is σ = 74107392. Its totient is φ = 48631968.

The previous prime is 61273033. The next prime is 61273063. The reversal of 61273055 is 55037216.

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 61273055 - 2¹⁶ = 61207519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47612 + ... + 48881.

It is an arithmetic number, because the mean of its divisors is an integer number (9263424).

Almost surely, 2^61273055 is an apocalyptic number.

61273055 is a deficient number, since it is larger than the sum of its proper divisors (12834337).

61273055 is a wasteful number, since it uses less digits than its factorization.

61273055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96625.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 61273055 is about 7827.7107125902. The cubic root of 61273055 is about 394.2362103223.

The spelling of 61273055 in words is "sixty-one million, two hundred seventy-three thousand, fifty-five".