55015006 has 4 divisors (see below), whose sum is σ = 82522512. Its totient is φ = 27507502.

The previous prime is 55014991. The next prime is 55015019. The reversal of 55015006 is 60051055.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13753750 + ... + 13753753.

It is an arithmetic number, because the mean of its divisors is an integer number (20630628).

Almost surely, 2^55015006 is an apocalyptic number.

55015006 is a deficient number, since it is larger than the sum of its proper divisors (27507506).

55015006 is a wasteful number, since it uses less digits than its factorization.

55015006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27507505.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 55015006 is about 7417.2101224113. The cubic root of 55015006 is about 380.3298290552.

The spelling of 55015006 in words is "fifty-five million, fifteen thousand, six".