55723450 has 24 divisors (see below), whose sum is σ = 109744092. Its totient is φ = 20977920.

The previous prime is 55723429. The next prime is 55723477. The reversal of 55723450 is 5432755.

55723450 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 34351321 + 21372129 = 5861^2 + 4623^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 31929 + ... + 33628.

Almost surely, 2^55723450 is an apocalyptic number.

55723450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55723450 is a deficient number, since it is larger than the sum of its proper divisors (54020642).

55723450 is a wasteful number, since it uses less digits than its factorization.

55723450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65586 (or 65581 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 55723450 is about 7464.8141303049. The cubic root of 55723450 is about 381.9554099429.

The spelling of 55723450 in words is "fifty-five million, seven hundred twenty-three thousand, four hundred fifty".