55719135 has 24 divisors (see below), whose sum is σ = 97019520. Its totient is φ = 29581632.

The previous prime is 55719127. The next prime is 55719137. The reversal of 55719135 is 53191755.

It is not a de Polignac number, because 55719135 - 2³ = 55719127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55719135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55719137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7602 + ... + 13008.

It is an arithmetic number, because the mean of its divisors is an integer number (4042480).

Almost surely, 2^55719135 is an apocalyptic number.

55719135 is a deficient number, since it is larger than the sum of its proper divisors (41300385).

55719135 is a wasteful number, since it uses less digits than its factorization.

55719135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5647 (or 5644 counting only the distinct ones).

The product of its digits is 23625, while the sum is 36.

The square root of 55719135 is about 7464.5251021080. The cubic root of 55719135 is about 381.9455506578.

It can be divided in two parts, 5571 and 9135, that added together give a triangular number (14706 = T₁₇₁).

The spelling of 55719135 in words is "fifty-five million, seven hundred nineteen thousand, one hundred thirty-five".