55340307 has 32 divisors (see below), whose sum is σ = 89856000. Its totient is φ = 33383520.

The previous prime is 55340303. The next prime is 55340309. The reversal of 55340307 is 70304355.

It is a happy number.

55340307 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 55340307 - 2² = 55340303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55340303) 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 31 ways as a sum of consecutive naturals, for example, 115294 + ... + 115772.

It is an arithmetic number, because the mean of its divisors is an integer number (2808000).

Almost surely, 2^55340307 is an apocalyptic number.

55340307 is a deficient number, since it is larger than the sum of its proper divisors (34515693).

55340307 is a wasteful number, since it uses less digits than its factorization.

55340307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 55340307 is about 7439.1065995857. The cubic root of 55340307 is about 381.0779801945.

The spelling of 55340307 in words is "fifty-five million, three hundred forty thousand, three hundred seven".