61956255 has 16 divisors (see below), whose sum is σ = 99348480. Its totient is φ = 32970528.

The previous prime is 61956247. The next prime is 61956269. The reversal of 61956255 is 55265916.

It is not a de Polignac number, because 61956255 - 2³ = 61956247 is a prime.

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, 2874 + ... + 11496.

It is an arithmetic number, because the mean of its divisors is an integer number (6209280).

Almost surely, 2^61956255 is an apocalyptic number.

61956255 is a deficient number, since it is larger than the sum of its proper divisors (37392225).

61956255 is a wasteful number, since it uses less digits than its factorization.

61956255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9110.

The product of its digits is 81000, while the sum is 39.

The square root of 61956255 is about 7871.2295735800. The cubic root of 61956255 is about 395.6960541377.

The spelling of 61956255 in words is "sixty-one million, nine hundred fifty-six thousand, two hundred fifty-five".