551245541 has 12 divisors (see below), whose sum is σ = 699540480. Its totient is φ = 429541560.

The previous prime is 551245529. The next prime is 551245559. The reversal of 551245541 is 145542155.

It is not a de Polignac number, because 551245541 - 2¹⁰ = 551244517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551245498 and 551245507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551245501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 510821 + ... + 511898.

It is an arithmetic number, because the mean of its divisors is an integer number (58295040).

Almost surely, 2^551245541 is an apocalyptic number.

It is an amenable number.

551245541 is a deficient number, since it is larger than the sum of its proper divisors (148294939).

551245541 is a wasteful number, since it uses less digits than its factorization.

551245541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022744 (or 1022737 counting only the distinct ones).

The product of its digits is 20000, while the sum is 32.

The square root of 551245541 is about 23478.6188052023. The cubic root of 551245541 is about 819.9392880888.

Adding to 551245541 its reverse (145542155), we get a palindrome (696787696).

The spelling of 551245541 in words is "five hundred fifty-one million, two hundred forty-five thousand, five hundred forty-one".