55773020 has 24 divisors (see below), whose sum is σ = 119617344. Its totient is φ = 21834176.

The previous prime is 55773019. The next prime is 55773031. The reversal of 55773020 is 2037755.

55773020 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 2×55773020² = 6221259519840800, which contains 22 as substring.

It is a congruent number.

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, 28727 + ... + 30606.

It is an arithmetic number, because the mean of its divisors is an integer number (4984056).

Almost surely, 2^55773020 is an apocalyptic number.

It is an amenable number.

55773020 is an abundant number, since it is smaller than the sum of its proper divisors (63844324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55773020 is a wasteful number, since it uses less digits than its factorization.

55773020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59389 (or 59387 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 55773020 is about 7468.1336356549. The cubic root of 55773020 is about 382.0686352738.

The spelling of 55773020 in words is "fifty-five million, seven hundred seventy-three thousand, twenty".