55071436 has 24 divisors (see below), whose sum is σ = 110789280. Its totient is φ = 23463552.

The previous prime is 55071409. The next prime is 55071437. The reversal of 55071436 is 63417055.

It is a junction number, because it is equal to n+sod(n) for n = 55071398 and 55071407.

It is not an unprimeable number, because it can be changed into a prime (55071437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841 + ... + 10528.

It is an arithmetic number, because the mean of its divisors is an integer number (4616220).

Almost surely, 2^55071436 is an apocalyptic number.

It is an amenable number.

55071436 is an abundant number, since it is smaller than the sum of its proper divisors (55717844).

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

55071436 is a wasteful number, since it uses less digits than its factorization.

55071436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11553 (or 11551 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 55071436 is about 7421.0131383794. The cubic root of 55071436 is about 380.4598219425.

The spelling of 55071436 in words is "fifty-five million, seventy-one thousand, four hundred thirty-six".