55515502 has 8 divisors (see below), whose sum is σ = 95169456. Its totient is φ = 23792352.

The previous prime is 55515497. The next prime is 55515529. The reversal of 55515502 is 20551555.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1982683 + ... + 1982710.

It is an arithmetic number, because the mean of its divisors is an integer number (11896182).

Almost surely, 2^55515502 is an apocalyptic number.

55515502 is a deficient number, since it is larger than the sum of its proper divisors (39653954).

55515502 is a wasteful number, since it uses less digits than its factorization.

55515502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3965402.

The product of its (nonzero) digits is 6250, while the sum is 28.

The square root of 55515502 is about 7450.8725663509. The cubic root of 55515502 is about 381.4796923872.

The spelling of 55515502 in words is "fifty-five million, five hundred fifteen thousand, five hundred two".