54013503989 has 2 divisors, whose sum is σ = 54013503990. Its totient is φ = 54013503988.

The previous prime is 54013503979. The next prime is 54013504063. The reversal of 54013503989 is 98930531045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52555562500 + 1457941489 = 229250^2 + 38183^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54013503989 is a prime.

It is a super-2 number, since 2×54013503989² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54013503919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27006751994 + 27006751995.

It is an arithmetic number, because the mean of its divisors is an integer number (27006751995).

Almost surely, 2^54013503989 is an apocalyptic number.

It is an amenable number.

54013503989 is a deficient number, since it is larger than the sum of its proper divisors (1).

54013503989 is an equidigital number, since it uses as much as digits as its factorization.

54013503989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 54013503989 in words is "fifty-four billion, thirteen million, five hundred three thousand, nine hundred eighty-nine".