55351629 has 12 divisors (see below), whose sum is σ = 80117856. Its totient is φ = 36824712.

The previous prime is 55351627. The next prime is 55351631. The reversal of 55351629 is 92615355.

55351629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55351627) and next prime (55351631).

It is not a de Polignac number, because 55351629 - 2¹ = 55351627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55351593 and 55351602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55351627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1587 + ... + 10640.

It is an arithmetic number, because the mean of its divisors is an integer number (6676488).

Almost surely, 2^55351629 is an apocalyptic number.

It is an amenable number.

55351629 is a deficient number, since it is larger than the sum of its proper divisors (24766227).

55351629 is a wasteful number, since it uses less digits than its factorization.

55351629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12736 (or 12733 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 55351629 is about 7439.8675391434. The cubic root of 55351629 is about 381.1039665019.

The spelling of 55351629 in words is "fifty-five million, three hundred fifty-one thousand, six hundred twenty-nine".