55734201321 has 16 divisors (see below), whose sum is σ = 75858029568. Its totient is φ = 36390186000.

The previous prime is 55734201307. The next prime is 55734201349. The reversal of 55734201321 is 12310243755.

It is not a de Polignac number, because 55734201321 - 2²³ = 55725812713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55734201521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834271 + ... + 898596.

It is an arithmetic number, because the mean of its divisors is an integer number (4741126848).

Almost surely, 2^55734201321 is an apocalyptic number.

It is an amenable number.

55734201321 is a deficient number, since it is larger than the sum of its proper divisors (20123828247).

55734201321 is a wasteful number, since it uses less digits than its factorization.

55734201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733092.

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 55734201321 in words is "fifty-five billion, seven hundred thirty-four million, two hundred one thousand, three hundred twenty-one".