55421524154 has 8 divisors (see below), whose sum is σ = 83146844628. Its totient is φ = 27705909280.

The previous prime is 55421524117. The next prime is 55421524157. The reversal of 55421524154 is 45142512455.

It can be written as a sum of positive squares in 2 ways, for example, as 53095680625 + 2325843529 = 230425^2 + 48227^2 .

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

It is not an unprimeable number, because it can be changed into a prime (55421524157) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2412107 + ... + 2434974.

Almost surely, 2^55421524154 is an apocalyptic number.

55421524154 is a deficient number, since it is larger than the sum of its proper divisors (27725320474).

55421524154 is a wasteful number, since it uses less digits than its factorization.

55421524154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4852800.

The product of its digits is 160000, while the sum is 38.

The spelling of 55421524154 in words is "fifty-five billion, four hundred twenty-one million, five hundred twenty-four thousand, one hundred fifty-four".