55453544430 has 16 divisors (see below), whose sum is σ = 133088506704. Its totient is φ = 14787611840.

The previous prime is 55453544407. The next prime is 55453544431. The reversal of 55453544430 is 3444535455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55453544431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924225711 + ... + 924225770.

It is an arithmetic number, because the mean of its divisors is an integer number (8318031669).

Almost surely, 2^55453544430 is an apocalyptic number.

55453544430 is an abundant number, since it is smaller than the sum of its proper divisors (77634962274).

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

55453544430 is a wasteful number, since it uses less digits than its factorization.

55453544430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848451491.

The product of its (nonzero) digits is 1440000, while the sum is 42.

It can be divided in two parts, 554535 and 44430, that added together give a triangular number (598965 = T₁₀₉₄).

The spelling of 55453544430 in words is "fifty-five billion, four hundred fifty-three million, five hundred forty-four thousand, four hundred thirty".