54407533949 has 2 divisors, whose sum is σ = 54407533950. Its totient is φ = 54407533948.

The previous prime is 54407533801. The next prime is 54407533951. The reversal of 54407533949 is 94933570445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54086479225 + 321054724 = 232565^2 + 17918^2 .

It is a cyclic number.

It is not a de Polignac number, because 54407533949 - 2⁸ = 54407533693 is a prime.

Together with 54407533951, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54407533949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54407538949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27203766974 + 27203766975.

It is an arithmetic number, because the mean of its divisors is an integer number (27203766975).

Almost surely, 2^54407533949 is an apocalyptic number.

It is an amenable number.

54407533949 is a deficient number, since it is larger than the sum of its proper divisors (1).

54407533949 is an equidigital number, since it uses as much as digits as its factorization.

54407533949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8164800, while the sum is 53.

The spelling of 54407533949 in words is "fifty-four billion, four hundred seven million, five hundred thirty-three thousand, nine hundred forty-nine".