55380135 has 32 divisors (see below), whose sum is σ = 96126912. Its totient is φ = 27115520.

The previous prime is 55380121. The next prime is 55380151. The reversal of 55380135 is 53108355.

It is not a de Polignac number, because 55380135 - 2¹¹ = 55378087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7807 + ... + 13103.

It is an arithmetic number, because the mean of its divisors is an integer number (3003966).

Almost surely, 2^55380135 is an apocalyptic number.

55380135 is a deficient number, since it is larger than the sum of its proper divisors (40746777).

55380135 is a wasteful number, since it uses less digits than its factorization.

55380135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5363.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 55380135 is about 7441.7830524680. The cubic root of 55380135 is about 381.1693779177.

The spelling of 55380135 in words is "fifty-five million, three hundred eighty thousand, one hundred thirty-five".