61090655 has 8 divisors (see below), whose sum is σ = 73541952. Its totient is φ = 48717088.

The previous prime is 61090651. The next prime is 61090669. The reversal of 61090655 is 55609016.

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 61090655 - 2² = 61090651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61090651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17687 + ... + 20856.

It is an arithmetic number, because the mean of its divisors is an integer number (9192744).

Almost surely, 2^61090655 is an apocalyptic number.

61090655 is a deficient number, since it is larger than the sum of its proper divisors (12451297).

61090655 is a wasteful number, since it uses less digits than its factorization.

61090655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38865.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 61090655 is about 7816.0511129342. The cubic root of 61090655 is about 393.8446289737.

The spelling of 61090655 in words is "sixty-one million, ninety thousand, six hundred fifty-five".