55515166502 has 8 divisors (see below), whose sum is σ = 83708733312. Its totient is φ = 27612255400.

The previous prime is 55515166501. The next prime is 55515166537. The reversal of 55515166502 is 20566151555.

It is a happy number.

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 55515166502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55515166501) 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, 72663449 + ... + 72664212.

It is an arithmetic number, because the mean of its divisors is an integer number (10463591664).

Almost surely, 2^55515166502 is an apocalyptic number.

55515166502 is a deficient number, since it is larger than the sum of its proper divisors (28193566810).

55515166502 is a wasteful number, since it uses less digits than its factorization.

55515166502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145327854.

The product of its (nonzero) digits is 225000, while the sum is 41.

The spelling of 55515166502 in words is "fifty-five billion, five hundred fifteen million, one hundred sixty-six thousand, five hundred two".