55351404531502 has 8 divisors (see below), whose sum is σ = 83044912324176. Its totient is φ = 27669767090112.

The previous prime is 55351404531487. The next prime is 55351404531517. The reversal of 55351404531502 is 20513540415355.

It is an interprime number because it is at equal distance from previous prime (55351404531487) and next prime (55351404531517).

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

It is a super-2 number, since 2×55351404531502² (a number of 28 digits) contains 22 as substring.

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, 2967576163 + ... + 2967594814.

It is an arithmetic number, because the mean of its divisors is an integer number (10380614040522).

Almost surely, 2^{55351404531502} is an apocalyptic number.

55351404531502 is a deficient number, since it is larger than the sum of its proper divisors (27693507792674).

55351404531502 is a wasteful number, since it uses less digits than its factorization.

55351404531502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5935175642.

The product of its (nonzero) digits is 900000, while the sum is 43.

Adding to 55351404531502 its reverse (20513540415355), we get a palindrome (75864944946857).

The spelling of 55351404531502 in words is "fifty-five trillion, three hundred fifty-one billion, four hundred four million, five hundred thirty-one thousand, five hundred two".