55152502 has 4 divisors (see below), whose sum is σ = 82728756. Its totient is φ = 27576250.

The previous prime is 55152491. The next prime is 55152511. The reversal of 55152502 is 20525155.

It is a happy number.

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, 13788124 + ... + 13788127.

It is an arithmetic number, because the mean of its divisors is an integer number (20682189).

Almost surely, 2^55152502 is an apocalyptic number.

55152502 is a deficient number, since it is larger than the sum of its proper divisors (27576254).

55152502 is a wasteful number, since it uses less digits than its factorization.

55152502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27576253.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 55152502 is about 7426.4730525331. The cubic root of 55152502 is about 380.6464113196.

Adding to 55152502 its reverse (20525155), we get a palindrome (75677657).

The spelling of 55152502 in words is "fifty-five million, one hundred fifty-two thousand, five hundred two".