545214551531 has 8 divisors (see below), whose sum is σ = 601474965504. Its totient is φ = 490999970880.

The previous prime is 545214551491. The next prime is 545214551603. The reversal of 545214551531 is 135155412545.

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

It is a cyclic number.

It is not a de Polignac number, because 545214551531 - 2⁶ = 545214551467 is a prime.

It is a super-2 number, since 2×545214551531² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545214554531) 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, 511457771 + ... + 511458836.

It is an arithmetic number, because the mean of its divisors is an integer number (75184370688).

Almost surely, 2^545214551531 is an apocalyptic number.

545214551531 is a deficient number, since it is larger than the sum of its proper divisors (56260413973).

545214551531 is a wasteful number, since it uses less digits than its factorization.

545214551531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022916661.

The product of its digits is 300000, while the sum is 41.

The spelling of 545214551531 in words is "five hundred forty-five billion, two hundred fourteen million, five hundred fifty-one thousand, five hundred thirty-one".