54862147 has 2 divisors, whose sum is σ = 54862148. Its totient is φ = 54862146.

The previous prime is 54862121. The next prime is 54862163. The reversal of 54862147 is 74126845.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54862147 is a prime.

It is not a weakly prime, because it can be changed into another prime (54865147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27431073 + 27431074.

It is an arithmetic number, because the mean of its divisors is an integer number (27431074).

Almost surely, 2^54862147 is an apocalyptic number.

54862147 is a deficient number, since it is larger than the sum of its proper divisors (1).

54862147 is an equidigital number, since it uses as much as digits as its factorization.

54862147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 37.

The square root of 54862147 is about 7406.8986087296. The cubic root of 54862147 is about 379.9772539478.

The spelling of 54862147 in words is "fifty-four million, eight hundred sixty-two thousand, one hundred forty-seven".