54897949 has 2 divisors, whose sum is σ = 54897950. Its totient is φ = 54897948.

The previous prime is 54897937. The next prime is 54897961. The reversal of 54897949 is 94979845.

It is a balanced prime because it is at equal distance from previous prime (54897937) and next prime (54897961).

It can be written as a sum of positive squares in only one way, i.e., 51984100 + 2913849 = 7210^2 + 1707^2 .

It is a cyclic number.

It is not a de Polignac number, because 54897949 - 2¹⁹ = 54373661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54897949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54897929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27448974 + 27448975.

It is an arithmetic number, because the mean of its divisors is an integer number (27448975).

Almost surely, 2^54897949 is an apocalyptic number.

It is an amenable number.

54897949 is a deficient number, since it is larger than the sum of its proper divisors (1).

54897949 is an equidigital number, since it uses as much as digits as its factorization.

54897949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 55.

The square root of 54897949 is about 7409.3150155733. The cubic root of 54897949 is about 380.0598912988.

The spelling of 54897949 in words is "fifty-four million, eight hundred ninety-seven thousand, nine hundred forty-nine".