54938198415 has 32 divisors (see below), whose sum is σ = 92027819520. Its totient is φ = 27949152896.

The previous prime is 54938198389. The next prime is 54938198503. The reversal of 54938198415 is 51489183945.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 54938198415 - 2¹⁸ = 54937936271 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 724707 + ... + 796916.

It is an arithmetic number, because the mean of its divisors is an integer number (2875869360).

Almost surely, 2^54938198415 is an apocalyptic number.

54938198415 is a deficient number, since it is larger than the sum of its proper divisors (37089621105).

54938198415 is a wasteful number, since it uses less digits than its factorization.

54938198415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521743.

The product of its digits is 6220800, while the sum is 57.

The spelling of 54938198415 in words is "fifty-four billion, nine hundred thirty-eight million, one hundred ninety-eight thousand, four hundred fifteen".