55215035 has 8 divisors (see below), whose sum is σ = 67247376. Its totient is φ = 43512480.

The previous prime is 55215011. The next prime is 55215037. The reversal of 55215035 is 53051255.

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

It is not a de Polignac number, because 55215035 - 2²⁰ = 54166459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55214995 and 55215013.

It is not an unprimeable number, because it can be changed into a prime (55215037) 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, 82076 + ... + 82745.

It is an arithmetic number, because the mean of its divisors is an integer number (8405922).

Almost surely, 2^55215035 is an apocalyptic number.

55215035 is a deficient number, since it is larger than the sum of its proper divisors (12032341).

55215035 is a wasteful number, since it uses less digits than its factorization.

55215035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164893.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 55215035 is about 7430.6820010010. The cubic root of 55215035 is about 380.7902184649.

The spelling of 55215035 in words is "fifty-five million, two hundred fifteen thousand, thirty-five".