51106552 has 32 divisors (see below), whose sum is σ = 114278400. Its totient is φ = 20949984.

The previous prime is 51106543. The next prime is 51106571. The reversal of 51106552 is 25560115.

It is a super-2 number, since 2×51106552² = 5223759314657408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18552 + ... + 21127.

It is an arithmetic number, because the mean of its divisors is an integer number (3571200).

Almost surely, 2^51106552 is an apocalyptic number.

It is an amenable number.

51106552 is an abundant number, since it is smaller than the sum of its proper divisors (63171848).

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

51106552 is a wasteful number, since it uses less digits than its factorization.

51106552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39715 (or 39711 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 51106552 is about 7148.8846682542. The cubic root of 51106552 is about 371.1010591126.

Adding to 51106552 its reverse (25560115), we get a palindrome (76666667).

The spelling of 51106552 in words is "fifty-one million, one hundred six thousand, five hundred fifty-two".