55435533450 has 96 divisors (see below), whose sum is σ = 150537061440. Its totient is φ = 13388851200.

The previous prime is 55435533371. The next prime is 55435533463. The reversal of 55435533450 is 5433553455.

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 47 ways as a sum of consecutive naturals, for example, 381402 + ... + 506298.

It is an arithmetic number, because the mean of its divisors is an integer number (1568094390).

Almost surely, 2^55435533450 is an apocalyptic number.

55435533450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55435533450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75268530720).

55435533450 is an abundant number, since it is smaller than the sum of its proper divisors (95101527990).

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

55435533450 is a wasteful number, since it uses less digits than its factorization.

55435533450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125192 (or 125187 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 42.

It can be divided in two parts, 55435 and 533450, that added together give a palindrome (588885).

The spelling of 55435533450 in words is "fifty-five billion, four hundred thirty-five million, five hundred thirty-three thousand, four hundred fifty".