55538273494 has 32 divisors (see below), whose sum is σ = 95706696960. Its totient is φ = 23905332000.

The previous prime is 55538273473. The next prime is 55538273507. The reversal of 55538273494 is 49437283555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 946719 + ... + 1003669.

It is an arithmetic number, because the mean of its divisors is an integer number (2990834280).

Almost surely, 2^55538273494 is an apocalyptic number.

55538273494 is a deficient number, since it is larger than the sum of its proper divisors (40168423466).

55538273494 is a wasteful number, since it uses less digits than its factorization.

55538273494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59316.

The product of its digits is 18144000, while the sum is 55.

The spelling of 55538273494 in words is "fifty-five billion, five hundred thirty-eight million, two hundred seventy-three thousand, four hundred ninety-four".