54620455642 has 8 divisors (see below), whose sum is σ = 84573608832. Its totient is φ = 26429252700.

The previous prime is 54620455639. The next prime is 54620455651. The reversal of 54620455642 is 24655402645.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 440487484 + ... + 440487607.

It is an arithmetic number, because the mean of its divisors is an integer number (10571701104).

Almost surely, 2^54620455642 is an apocalyptic number.

54620455642 is a deficient number, since it is larger than the sum of its proper divisors (29953153190).

54620455642 is a wasteful number, since it uses less digits than its factorization.

54620455642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880975124.

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 54620455642 in words is "fifty-four billion, six hundred twenty million, four hundred fifty-five thousand, six hundred forty-two".