55446801450 has 24 divisors (see below), whose sum is σ = 137508067968. Its totient is φ = 14785813680.

The previous prime is 55446801427. The next prime is 55446801461. The reversal of 55446801450 is 5410864455.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184822522 + ... + 184822821.

It is an arithmetic number, because the mean of its divisors is an integer number (5729502832).

Almost surely, 2^55446801450 is an apocalyptic number.

55446801450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55446801450 is an abundant number, since it is smaller than the sum of its proper divisors (82061266518).

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

55446801450 is a wasteful number, since it uses less digits than its factorization.

55446801450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369645358 (or 369645353 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 42.

The spelling of 55446801450 in words is "fifty-five billion, four hundred forty-six million, eight hundred one thousand, four hundred fifty".