54611243221542 has 64 divisors (see below), whose sum is σ = 126404830101504. Its totient is φ = 15406985492640.

The previous prime is 54611243221481. The next prime is 54611243221543. The reversal of 54611243221542 is 24512234211645.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 54611243221494 and 54611243221503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54611243221543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23135968 + ... + 25386915.

It is an arithmetic number, because the mean of its divisors is an integer number (1975075470336).

Almost surely, 2^{54611243221542} is an apocalyptic number.

54611243221542 is an abundant number, since it is smaller than the sum of its proper divisors (71793586879962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54611243221542 is a wasteful number, since it uses less digits than its factorization.

54611243221542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48523233.

The product of its digits is 460800, while the sum is 42.

The spelling of 54611243221542 in words is "fifty-four trillion, six hundred eleven billion, two hundred forty-three million, two hundred twenty-one thousand, five hundred forty-two".