61313055 has 32 divisors (see below), whose sum is σ = 104772096. Its totient is φ = 30543744.

The previous prime is 61313029. The next prime is 61313059. The reversal of 61313055 is 55031316.

It is not a de Polignac number, because 61313055 - 2⁵ = 61313023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61313059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12769 + ... + 16901.

It is an arithmetic number, because the mean of its divisors is an integer number (3274128).

Almost surely, 2^61313055 is an apocalyptic number.

61313055 is a deficient number, since it is larger than the sum of its proper divisors (43459041).

61313055 is a wasteful number, since it uses less digits than its factorization.

61313055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 61313055 is about 7830.2653211753. The cubic root of 61313055 is about 394.3219794973.

The spelling of 61313055 in words is "sixty-one million, three hundred thirteen thousand, fifty-five".