55330737 has 16 divisors (see below), whose sum is σ = 91978752. Its totient is φ = 28743120.

The previous prime is 55330711. The next prime is 55330783. The reversal of 55330737 is 73703355.

55330737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55330737 - 2⁸ = 55330481 is a prime.

It is a super-2 number, since 2×55330737² = 6122980913926338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 55330698 and 55330707.

It is not an unprimeable number, because it can be changed into a prime (55330237) 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 15 ways as a sum of consecutive naturals, for example, 119533 + ... + 119994.

It is an arithmetic number, because the mean of its divisors is an integer number (5748672).

Almost surely, 2^55330737 is an apocalyptic number.

It is an amenable number.

55330737 is a deficient number, since it is larger than the sum of its proper divisors (36648015).

55330737 is a wasteful number, since it uses less digits than its factorization.

55330737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239548.

The product of its (nonzero) digits is 33075, while the sum is 33.

The square root of 55330737 is about 7438.4633493753. The cubic root of 55330737 is about 381.0560123215.

The spelling of 55330737 in words is "fifty-five million, three hundred thirty thousand, seven hundred thirty-seven".