55150015 has 8 divisors (see below), whose sum is σ = 66261888. Its totient is φ = 44065440.

The previous prime is 55150013. The next prime is 55150033. The reversal of 55150015 is 51005155.

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

It is not a de Polignac number, because 55150015 - 2¹ = 55150013 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 (55150013) 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, 2076 + ... + 10705.

It is an arithmetic number, because the mean of its divisors is an integer number (8282736).

Almost surely, 2^55150015 is an apocalyptic number.

55150015 is a deficient number, since it is larger than the sum of its proper divisors (11111873).

55150015 is a wasteful number, since it uses less digits than its factorization.

55150015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13649.

The product of its (nonzero) digits is 625, while the sum is 22.

The square root of 55150015 is about 7426.3056091168. The cubic root of 55150015 is about 380.6406897184.

The spelling of 55150015 in words is "fifty-five million, one hundred fifty thousand, fifteen".