54421332450542 has 32 divisors (see below), whose sum is σ = 85613761271808. Its totient is φ = 25895565137376.

The previous prime is 54421332450469. The next prime is 54421332450547. The reversal of 54421332450542 is 24505423312445.

It is a junction number, because it is equal to n+sod(n) for n = 54421332450493 and 54421332450502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54421332450547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15799973 + ... + 18933615.

It is an arithmetic number, because the mean of its divisors is an integer number (2675430039744).

Almost surely, 2^{54421332450542} is an apocalyptic number.

54421332450542 is a deficient number, since it is larger than the sum of its proper divisors (31192428821266).

54421332450542 is a wasteful number, since it uses less digits than its factorization.

54421332450542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135584.

The product of its (nonzero) digits is 2304000, while the sum is 44.

Adding to 54421332450542 its reverse (24505423312445), we get a palindrome (78926755762987).

The spelling of 54421332450542 in words is "fifty-four trillion, four hundred twenty-one billion, three hundred thirty-two million, four hundred fifty thousand, five hundred forty-two".