551413745 has 8 divisors (see below), whose sum is σ = 662001984. Its totient is φ = 440927344.

The previous prime is 551413741. The next prime is 551413747. The reversal of 551413745 is 547314155.

It is a happy number.

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 551413745 - 2² = 551413741 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551413741) 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, 12989 + ... + 35658.

It is an arithmetic number, because the mean of its divisors is an integer number (82750248).

Almost surely, 2^551413745 is an apocalyptic number.

It is an amenable number.

551413745 is a deficient number, since it is larger than the sum of its proper divisors (110588239).

551413745 is a wasteful number, since it uses less digits than its factorization.

551413745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50919.

The product of its digits is 42000, while the sum is 35.

The square root of 551413745 is about 23482.2005996031. The cubic root of 551413745 is about 820.0226768466.

The spelling of 551413745 in words is "five hundred fifty-one million, four hundred thirteen thousand, seven hundred forty-five".