54981017494 has 16 divisors (see below), whose sum is σ = 88932847248. Its totient is φ = 25342323552.

The previous prime is 54981017491. The next prime is 54981017519. The reversal of 54981017494 is 49471018945.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54981017491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1377052 + ... + 1416415.

It is an arithmetic number, because the mean of its divisors is an integer number (5558302953).

Almost surely, 2^54981017494 is an apocalyptic number.

54981017494 is a deficient number, since it is larger than the sum of its proper divisors (33951829754).

54981017494 is a wasteful number, since it uses less digits than its factorization.

54981017494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794239.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 54981017494 in words is "fifty-four billion, nine hundred eighty-one million, seventeen thousand, four hundred ninety-four".