55030789 has 16 divisors (see below), whose sum is σ = 62913024. Its totient is φ = 47647600.

The previous prime is 55030771. The next prime is 55030793. The reversal of 55030789 is 98703055.

It is not a de Polignac number, because 55030789 - 2⁵ = 55030757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55030709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111834 + ... + 112324.

It is an arithmetic number, because the mean of its divisors is an integer number (3932064).

Almost surely, 2^55030789 is an apocalyptic number.

It is an amenable number.

55030789 is a deficient number, since it is larger than the sum of its proper divisors (7882235).

55030789 is a wasteful number, since it uses less digits than its factorization.

55030789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 55030789 is about 7418.2739906261. The cubic root of 55030789 is about 380.3661959315.

The spelling of 55030789 in words is "fifty-five million, thirty thousand, seven hundred eighty-nine".