552146544 has 240 divisors, whose sum is σ = 1706140800. Its totient is φ = 172585728.

The previous prime is 552146521. The next prime is 552146557. The reversal of 552146544 is 445641255.

552146544 is a `hidden beast` number, since 55 + 21 + 46 + 544 = 666.

It is a super-2 number, since 2×552146544² = 609731612102287872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 552146499 and 552146508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6652327 + ... + 6652409.

It is an arithmetic number, because the mean of its divisors is an integer number (7108920).

Almost surely, 2^552146544 is an apocalyptic number.

552146544 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552146544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853070400).

552146544 is an abundant number, since it is smaller than the sum of its proper divisors (1153994256).

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

552146544 is a wasteful number, since it uses less digits than its factorization.

552146544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 176 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 552146544 is about 23497.7987054107. The cubic root of 552146544 is about 820.3857712902.

Adding to 552146544 its reverse (445641255), we get a palindrome (997787799).

The spelling of 552146544 in words is "five hundred fifty-two million, one hundred forty-six thousand, five hundred forty-four".