551355245 has 32 divisors (see below), whose sum is σ = 781059840. Its totient is φ = 365783040.

The previous prime is 551355229. The next prime is 551355251. The reversal of 551355245 is 542553155.

It is not a de Polignac number, because 551355245 - 2⁴ = 551355229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162365 + ... + 165725.

It is an arithmetic number, because the mean of its divisors is an integer number (24408120).

Almost surely, 2^551355245 is an apocalyptic number.

It is an amenable number.

551355245 is a deficient number, since it is larger than the sum of its proper divisors (229704595).

551355245 is a wasteful number, since it uses less digits than its factorization.

551355245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3525.

The product of its digits is 75000, while the sum is 35.

The square root of 551355245 is about 23480.9549422505. The cubic root of 551355245 is about 819.9936768301.

The spelling of 551355245 in words is "five hundred fifty-one million, three hundred fifty-five thousand, two hundred forty-five".