55471453450 has 48 divisors (see below), whose sum is σ = 117969592320. Its totient is φ = 19010214720.

The previous prime is 55471453417. The next prime is 55471453481. The reversal of 55471453450 is 5435417455.

55471453450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55471453397 and 55471453406.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 767991 + ... + 837109.

It is an arithmetic number, because the mean of its divisors is an integer number (2457699840).

Almost surely, 2^55471453450 is an apocalyptic number.

55471453450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55471453450 is an abundant number, since it is smaller than the sum of its proper divisors (62498138870).

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

55471453450 is a wasteful number, since it uses less digits than its factorization.

55471453450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71431 (or 71426 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 43.

The spelling of 55471453450 in words is "fifty-five billion, four hundred seventy-one million, four hundred fifty-three thousand, four hundred fifty".