55015798 has 8 divisors (see below), whose sum is σ = 82633320. Its totient is φ = 27471360.

The previous prime is 55015787. The next prime is 55015799. The reversal of 55015798 is 89751055.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55015798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55015799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16348 + ... + 19423.

It is an arithmetic number, because the mean of its divisors is an integer number (10329165).

Almost surely, 2^55015798 is an apocalyptic number.

55015798 is a deficient number, since it is larger than the sum of its proper divisors (27617522).

55015798 is a wasteful number, since it uses less digits than its factorization.

55015798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36542.

The product of its (nonzero) digits is 63000, while the sum is 40.

The square root of 55015798 is about 7417.2635115654. The cubic root of 55015798 is about 380.3316541317.

The spelling of 55015798 in words is "fifty-five million, fifteen thousand, seven hundred ninety-eight".