55731135 has 8 divisors (see below), whose sum is σ = 89169840. Its totient is φ = 29723264.

The previous prime is 55731133. The next prime is 55731157. The reversal of 55731135 is 53113755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55731135 - 2¹ = 55731133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55731131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1857690 + ... + 1857719.

It is an arithmetic number, because the mean of its divisors is an integer number (11146230).

Almost surely, 2^55731135 is an apocalyptic number.

55731135 is a deficient number, since it is larger than the sum of its proper divisors (33438705).

55731135 is a wasteful number, since it uses less digits than its factorization.

55731135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715417.

The product of its digits is 7875, while the sum is 30.

The square root of 55731135 is about 7465.3288608071. The cubic root of 55731135 is about 381.9729680350.

The spelling of 55731135 in words is "fifty-five million, seven hundred thirty-one thousand, one hundred thirty-five".