61055207 has 8 divisors (see below), whose sum is σ = 62268960. Its totient is φ = 59853600.

The previous prime is 61055201. The next prime is 61055219. The reversal of 61055207 is 70255016.

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 61055207 - 2¹⁰ = 61054183 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 (61055201) 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, 7469 + ... + 13337.

It is an arithmetic number, because the mean of its divisors is an integer number (7783620).

Almost surely, 2^61055207 is an apocalyptic number.

61055207 is a deficient number, since it is larger than the sum of its proper divisors (1213753).

61055207 is a wasteful number, since it uses less digits than its factorization.

61055207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6073.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 61055207 is about 7813.7831426269. The cubic root of 61055207 is about 393.7684378029.

The spelling of 61055207 in words is "sixty-one million, fifty-five thousand, two hundred seven".