55011204450 has 72 divisors (see below), whose sum is σ = 155575570800. Its totient is φ = 13897565280.

The previous prime is 55011204449. The next prime is 55011204461. The reversal of 55011204450 is 5440211055.

55011204450 is a `hidden beast` number, since 5 + 5 + 0 + 1 + 1 + 204 + 450 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3208480 + ... + 3225579.

Almost surely, 2^55011204450 is an apocalyptic number.

55011204450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55011204450 is an abundant number, since it is smaller than the sum of its proper divisors (100564366350).

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

55011204450 is a wasteful number, since it uses less digits than its factorization.

55011204450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6434096 (or 6434088 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 55011204450 in words is "fifty-five billion, eleven million, two hundred four thousand, four hundred fifty".