55773130 has 16 divisors (see below), whose sum is σ = 114733440. Its totient is φ = 19122192.

The previous prime is 55773083. The next prime is 55773167. The reversal of 55773130 is 3137755.

It is a happy number.

55773130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55773130² = 6221284059993800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55773092 and 55773101.

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 7 ways as a sum of consecutive naturals, for example, 398310 + ... + 398449.

It is an arithmetic number, because the mean of its divisors is an integer number (7170840).

Almost surely, 2^55773130 is an apocalyptic number.

55773130 is an abundant number, since it is smaller than the sum of its proper divisors (58960310).

55773130 is a wasteful number, since it uses less digits than its factorization.

55773130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796773.

The product of its (nonzero) digits is 11025, while the sum is 31.

The square root of 55773130 is about 7468.1410002758. The cubic root of 55773130 is about 382.0688864558.

The spelling of 55773130 in words is "fifty-five million, seven hundred seventy-three thousand, one hundred thirty".