55335739 has 4 divisors (see below), whose sum is σ = 55351080. Its totient is φ = 55320400.

The previous prime is 55335727. The next prime is 55335781. The reversal of 55335739 is 93753355.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 93753355 = 5 ⋅18750671.

It is a cyclic number.

It is not a de Polignac number, because 55335739 - 2⁹ = 55335227 is a prime.

It is a super-2 number, since 2×55335739² = 6124088021352242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55335719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1032 + ... + 10570.

It is an arithmetic number, because the mean of its divisors is an integer number (13837770).

Almost surely, 2^55335739 is an apocalyptic number.

55335739 is a deficient number, since it is larger than the sum of its proper divisors (15341).

55335739 is an equidigital number, since it uses as much as digits as its factorization.

55335739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15340.

The product of its digits is 212625, while the sum is 40.

The square root of 55335739 is about 7438.7995671345. The cubic root of 55335739 is about 381.0674946960.

The spelling of 55335739 in words is "fifty-five million, three hundred thirty-five thousand, seven hundred thirty-nine".