551342545 has 16 divisors (see below), whose sum is σ = 743484672. Its totient is φ = 389442240.

The previous prime is 551342543. The next prime is 551342557. The reversal of 551342545 is 545243155.

It is not a de Polignac number, because 551342545 - 2¹ = 551342543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 551342545.

It is not an unprimeable number, because it can be changed into a prime (551342543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182901 + ... + 185890.

It is an arithmetic number, because the mean of its divisors is an integer number (46467792).

Almost surely, 2^551342545 is an apocalyptic number.

It is an amenable number.

551342545 is a deficient number, since it is larger than the sum of its proper divisors (192142127).

551342545 is a wasteful number, since it uses less digits than its factorization.

551342545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368832.

The product of its digits is 60000, while the sum is 34.

The square root of 551342545 is about 23480.6845087617. The cubic root of 551342545 is about 819.9873808290.

The spelling of 551342545 in words is "five hundred fifty-one million, three hundred forty-two thousand, five hundred forty-five".