551755441 has 4 divisors (see below), whose sum is σ = 575744832. Its totient is φ = 527766052.

The previous prime is 551755429. The next prime is 551755471. The reversal of 551755441 is 144557155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 551755441 - 2¹¹ = 551753393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 551755441.

It is not an unprimeable number, because it can be changed into a prime (551755471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11994661 + ... + 11994706.

It is an arithmetic number, because the mean of its divisors is an integer number (143936208).

Almost surely, 2^551755441 is an apocalyptic number.

It is an amenable number.

551755441 is a deficient number, since it is larger than the sum of its proper divisors (23989391).

551755441 is a wasteful number, since it uses less digits than its factorization.

551755441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23989390.

The product of its digits is 70000, while the sum is 37.

The square root of 551755441 is about 23489.4751112067. The cubic root of 551755441 is about 820.1920237384.

The spelling of 551755441 in words is "five hundred fifty-one million, seven hundred fifty-five thousand, four hundred forty-one".