55513450 has 12 divisors (see below), whose sum is σ = 103255110. Its totient is φ = 22205360.

The previous prime is 55513433. The next prime is 55513457. The reversal of 55513450 is 5431555.

55513450 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 3 ways, for example, as 46253601 + 9259849 = 6801^2 + 3043^2 .

It is not an unprimeable number, because it can be changed into a prime (55513457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555085 + ... + 555184.

Almost surely, 2^55513450 is an apocalyptic number.

55513450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55513450 is a deficient number, since it is larger than the sum of its proper divisors (47741660).

55513450 is a wasteful number, since it uses less digits than its factorization.

55513450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110281 (or 1110276 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 55513450 is about 7450.7348630857. The cubic root of 55513450 is about 381.4749921627.

The spelling of 55513450 in words is "fifty-five million, five hundred thirteen thousand, four hundred fifty".