55567889450 has 24 divisors (see below), whose sum is σ = 106149690732. Its totient is φ = 21626421120.

The previous prime is 55567889441. The next prime is 55567889473. The reversal of 55567889450 is 5498876555.

It can be written as a sum of positive squares in 6 ways, for example, as 48224599201 + 7343290249 = 219601^2 + 85693^2 .

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, 15016499 + ... + 15020198.

Almost surely, 2^55567889450 is an apocalyptic number.

55567889450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55567889450 is a deficient number, since it is larger than the sum of its proper divisors (50581801282).

55567889450 is a wasteful number, since it uses less digits than its factorization.

55567889450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30036746 (or 30036741 counting only the distinct ones).

The product of its (nonzero) digits is 60480000, while the sum is 62.

The spelling of 55567889450 in words is "fifty-five billion, five hundred sixty-seven million, eight hundred eighty-nine thousand, four hundred fifty".