54370861 has 2 divisors, whose sum is σ = 54370862. Its totient is φ = 54370860.

The previous prime is 54370847. The next prime is 54370891. The reversal of 54370861 is 16807345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32421636 + 21949225 = 5694^2 + 4685^2 .

It is a cyclic number.

It is not a de Polignac number, because 54370861 - 2⁷ = 54370733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54370831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27185430 + 27185431.

It is an arithmetic number, because the mean of its divisors is an integer number (27185431).

Almost surely, 2^54370861 is an apocalyptic number.

It is an amenable number.

54370861 is a deficient number, since it is larger than the sum of its proper divisors (1).

54370861 is an equidigital number, since it uses as much as digits as its factorization.

54370861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 54370861 is about 7373.6599460512. The cubic root of 54370861 is about 378.8396297298.

The spelling of 54370861 in words is "fifty-four million, three hundred seventy thousand, eight hundred sixty-one".