54553015442 has 4 divisors (see below), whose sum is σ = 81829523166. Its totient is φ = 27276507720.

The previous prime is 54553015393. The next prime is 54553015511. The reversal of 54553015442 is 24451035545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24451035545 = 5 ⋅4890207109.

It can be written as a sum of positive squares in only one way, i.e., 46578704041 + 7974311401 = 215821^2 + 89299^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54553015396 and 54553015405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13638253859 + ... + 13638253862.

Almost surely, 2^54553015442 is an apocalyptic number.

54553015442 is a deficient number, since it is larger than the sum of its proper divisors (27276507724).

54553015442 is a wasteful number, since it uses less digits than its factorization.

54553015442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27276507723.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 54553015442 in words is "fifty-four billion, five hundred fifty-three million, fifteen thousand, four hundred forty-two".