551353500330 has 32 divisors (see below), whose sum is σ = 1327422708864. Its totient is φ = 146563788096.

The previous prime is 551353500329. The next prime is 551353500367. The reversal of 551353500330 is 33005353155.

It is a super-2 number, since 2×551353500330² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 551353500291 and 551353500300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28978582 + ... + 28997601.

It is an arithmetic number, because the mean of its divisors is an integer number (41481959652).

Almost surely, 2^551353500330 is an apocalyptic number.

551353500330 is an abundant number, since it is smaller than the sum of its proper divisors (776069208534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551353500330 is a wasteful number, since it uses less digits than its factorization.

551353500330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57976510.

The product of its (nonzero) digits is 50625, while the sum is 33.

Adding to 551353500330 its reverse (33005353155), we get a palindrome (584358853485).

The spelling of 551353500330 in words is "five hundred fifty-one billion, three hundred fifty-three million, five hundred thousand, three hundred thirty".