55231404153502 has 8 divisors (see below), whose sum is σ = 82847467928736. Its totient is φ = 27615581510592.

The previous prime is 55231404153487. The next prime is 55231404153529. The reversal of 55231404153502 is 20535140413255.

55231404153502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59709363 + ... + 60627310.

It is an arithmetic number, because the mean of its divisors is an integer number (10355933491092).

Almost surely, 2^{55231404153502} is an apocalyptic number.

55231404153502 is a deficient number, since it is larger than the sum of its proper divisors (27616063775234).

55231404153502 is a wasteful number, since it uses less digits than its factorization.

55231404153502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120566162.

The product of its (nonzero) digits is 360000, while the sum is 40.

Adding to 55231404153502 its reverse (20535140413255), we get a palindrome (75766544566757).

The spelling of 55231404153502 in words is "fifty-five trillion, two hundred thirty-one billion, four hundred four million, one hundred fifty-three thousand, five hundred two".