55535538 has 16 divisors (see below), whose sum is σ = 111273120. Its totient is φ = 18478176.

The previous prime is 55535521. The next prime is 55535569. The reversal of 55535538 is 83553555.

It is a junction number, because it is equal to n+sod(n) for n = 55535496 and 55535505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4720 + ... + 11547.

It is an arithmetic number, because the mean of its divisors is an integer number (6954570).

Almost surely, 2^55535538 is an apocalyptic number.

55535538 is an abundant number, since it is smaller than the sum of its proper divisors (55737582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55535538 is a wasteful number, since it uses less digits than its factorization.

55535538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16841.

The product of its digits is 225000, while the sum is 39.

The square root of 55535538 is about 7452.2169855688. The cubic root of 55535538 is about 381.5255799172.

The spelling of 55535538 in words is "fifty-five million, five hundred thirty-five thousand, five hundred thirty-eight".