55405735 has 32 divisors (see below), whose sum is σ = 86510592. Its totient is φ = 33031680.

The previous prime is 55405709. The next prime is 55405739. The reversal of 55405735 is 53750455.

It is not a de Polignac number, because 55405735 - 2⁷ = 55405607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55405735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55405739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5727 + ... + 11983.

It is an arithmetic number, because the mean of its divisors is an integer number (2703456).

Almost surely, 2^55405735 is an apocalyptic number.

55405735 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55405735 is a deficient number, since it is larger than the sum of its proper divisors (31104857).

55405735 is a wasteful number, since it uses less digits than its factorization.

55405735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303.

The product of its (nonzero) digits is 52500, while the sum is 34.

The square root of 55405735 is about 7443.5028716324. The cubic root of 55405735 is about 381.2281019403.

The spelling of 55405735 in words is "fifty-five million, four hundred five thousand, seven hundred thirty-five".