54403145311551 has 8 divisors (see below), whose sum is σ = 74080878722304. Its totient is φ = 35497087720920.

The previous prime is 54403145311519. The next prime is 54403145311583. The reversal of 54403145311551 is 15511354130445.

It is an interprime number because it is at equal distance from previous prime (54403145311519) and next prime (54403145311583).

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

It is not a de Polignac number, because 54403145311551 - 2⁵ = 54403145311519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54403145311511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192918954865 + ... + 192918955146.

It is an arithmetic number, because the mean of its divisors is an integer number (9260109840288).

Almost surely, 2^{54403145311551} is an apocalyptic number.

54403145311551 is a deficient number, since it is larger than the sum of its proper divisors (19677733410753).

54403145311551 is a wasteful number, since it uses less digits than its factorization.

54403145311551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385837910061.

The product of its (nonzero) digits is 360000, while the sum is 42.

Adding to 54403145311551 its reverse (15511354130445), we get a palindrome (69914499441996).

The spelling of 54403145311551 in words is "fifty-four trillion, four hundred three billion, one hundred forty-five million, three hundred eleven thousand, five hundred fifty-one".