54622121052154 has 4 divisors (see below), whose sum is σ = 81933181578234. Its totient is φ = 27311060526076.

The previous prime is 54622121051951. The next prime is 54622121052223. The reversal of 54622121052154 is 45125012122645.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50342075896225 + 4280045155929 = 7095215^2 + 2068827^2 .

It is a super-2 number, since 2×54622121052154² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13655530263037 + ... + 13655530263040.

Almost surely, 2^{54622121052154} is an apocalyptic number.

54622121052154 is a deficient number, since it is larger than the sum of its proper divisors (27311060526080).

54622121052154 is a wasteful number, since it uses less digits than its factorization.

54622121052154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27311060526079.

The product of its (nonzero) digits is 192000, while the sum is 40.

Adding to 54622121052154 its reverse (45125012122645), we get a palindrome (99747133174799).

The spelling of 54622121052154 in words is "fifty-four trillion, six hundred twenty-two billion, one hundred twenty-one million, fifty-two thousand, one hundred fifty-four".