552157776 has 80 divisors (see below), whose sum is σ = 1599064320. Its totient is φ = 182407680.

The previous prime is 552157769. The next prime is 552157777. The reversal of 552157776 is 677751255.

It is a happy number.

552157776 is a `hidden beast` number, since 5 + 5 + 2 + 1 + 577 + 76 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552157777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43161 + ... + 54471.

It is an arithmetic number, because the mean of its divisors is an integer number (19988304).

Almost surely, 2^552157776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552157776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (799532160).

552157776 is an abundant number, since it is smaller than the sum of its proper divisors (1046906544).

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

552157776 is a wasteful number, since it uses less digits than its factorization.

552157776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11441 (or 11429 counting only the distinct ones).

The product of its digits is 514500, while the sum is 45.

The square root of 552157776 is about 23498.0377053064. The cubic root of 552157776 is about 820.3913341314.

The spelling of 552157776 in words is "five hundred fifty-two million, one hundred fifty-seven thousand, seven hundred seventy-six".