55007078450 has 24 divisors (see below), whose sum is σ = 102334218420. Its totient is φ = 21998304000.

The previous prime is 55007078407. The next prime is 55007078459. The reversal of 55007078450 is 5487070055.

55007078450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 20908870801 + 34098207649 = 144599^2 + 184657^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55007078398 and 55007078407.

It is not an unprimeable number, because it can be changed into a prime (55007078459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137750 + ... + 359150.

Almost surely, 2^55007078450 is an apocalyptic number.

55007078450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55007078450 is a deficient number, since it is larger than the sum of its proper divisors (47327139970).

55007078450 is a wasteful number, since it uses less digits than its factorization.

55007078450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226382 (or 226377 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 41.

The spelling of 55007078450 in words is "fifty-five billion, seven million, seventy-eight thousand, four hundred fifty".