55235015 has 8 divisors (see below), whose sum is σ = 72307728. Its totient is φ = 40170880.

The previous prime is 55235009. The next prime is 55235017. The reversal of 55235015 is 51053255.

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

It is not a de Polignac number, because 55235015 - 2⁸ = 55234759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55235017) 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, 502082 + ... + 502191.

It is an arithmetic number, because the mean of its divisors is an integer number (9038466).

Almost surely, 2^55235015 is an apocalyptic number.

55235015 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55235015 is a deficient number, since it is larger than the sum of its proper divisors (17072713).

55235015 is a wasteful number, since it uses less digits than its factorization.

55235015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004289.

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

The square root of 55235015 is about 7432.0263051203. The cubic root of 55235015 is about 380.8361435833.

The spelling of 55235015 in words is "fifty-five million, two hundred thirty-five thousand, fifteen".