54897213526 has 4 divisors (see below), whose sum is σ = 82345820292. Its totient is φ = 27448606762.

The previous prime is 54897213509. The next prime is 54897213529. The reversal of 54897213526 is 62531279845.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54897213529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13724303380 + ... + 13724303383.

It is an arithmetic number, because the mean of its divisors is an integer number (20586455073).

Almost surely, 2^54897213526 is an apocalyptic number.

54897213526 is a deficient number, since it is larger than the sum of its proper divisors (27448606766).

54897213526 is a wasteful number, since it uses less digits than its factorization.

54897213526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27448606765.

The product of its digits is 3628800, while the sum is 52.

The spelling of 54897213526 in words is "fifty-four billion, eight hundred ninety-seven million, two hundred thirteen thousand, five hundred twenty-six".