61055893 has 2 divisors, whose sum is σ = 61055894. Its totient is φ = 61055892.

The previous prime is 61055881. The next prime is 61055899. The reversal of 61055893 is 39855016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41757444 + 19298449 = 6462^2 + 4393^2 .

It is a cyclic number.

It is not a de Polignac number, because 61055893 - 2²¹ = 58958741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61055899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30527946 + 30527947.

It is an arithmetic number, because the mean of its divisors is an integer number (30527947).

Almost surely, 2^61055893 is an apocalyptic number.

It is an amenable number.

61055893 is a deficient number, since it is larger than the sum of its proper divisors (1).

61055893 is an equidigital number, since it uses as much as digits as its factorization.

61055893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 61055893 is about 7813.8270392939. The cubic root of 61055893 is about 393.7699125564.

The spelling of 61055893 in words is "sixty-one million, fifty-five thousand, eight hundred ninety-three".