551251420532 has 12 divisors (see below), whose sum is σ = 964725246660. Its totient is φ = 275615635776.

The previous prime is 551251420523. The next prime is 551251420543. The reversal of 551251420532 is 235024152155.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50559321316 + 500692099216 = 224854^2 + 707596^2 .

It is a super-2 number, since 2×551251420532² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 551251420492 and 551251420501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2394833 + ... + 2614904.

It is an arithmetic number, because the mean of its divisors is an integer number (80393770555).

Almost surely, 2^551251420532 is an apocalyptic number.

It is an amenable number.

551251420532 is a deficient number, since it is larger than the sum of its proper divisors (413473826128).

551251420532 is a wasteful number, since it uses less digits than its factorization.

551251420532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037250 (or 5037248 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 551251420532 its reverse (235024152155), we get a palindrome (786275572687).

The spelling of 551251420532 in words is "five hundred fifty-one billion, two hundred fifty-one million, four hundred twenty thousand, five hundred thirty-two".