54811747 has 2 divisors, whose sum is σ = 54811748. Its totient is φ = 54811746.

The previous prime is 54811739. The next prime is 54811781. The reversal of 54811747 is 74711845.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54811747 - 2³ = 54811739 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54811717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27405873 + 27405874.

It is an arithmetic number, because the mean of its divisors is an integer number (27405874).

Almost surely, 2^54811747 is an apocalyptic number.

54811747 is a deficient number, since it is larger than the sum of its proper divisors (1).

54811747 is an equidigital number, since it uses as much as digits as its factorization.

54811747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31360, while the sum is 37.

The square root of 54811747 is about 7403.4955932992. The cubic root of 54811747 is about 379.8608608787.

It can be divided in two parts, 54 and 811747, that added together give a square (811801 = 901²).

The spelling of 54811747 in words is "fifty-four million, eight hundred eleven thousand, seven hundred forty-seven".