51102132 has 24 divisors (see below), whose sum is σ = 119450016. Its totient is φ = 17003808.

The previous prime is 51102131. The next prime is 51102151. The reversal of 51102132 is 23120115.

It is a super-2 number, since 2×51102132² = 5222855789890848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51102131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3883 + ... + 10829.

It is an arithmetic number, because the mean of its divisors is an integer number (4977084).

Almost surely, 2^51102132 is an apocalyptic number.

It is an amenable number.

51102132 is an abundant number, since it is smaller than the sum of its proper divisors (68347884).

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

51102132 is a wasteful number, since it uses less digits than its factorization.

51102132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7567 (or 7565 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 51102132 is about 7148.5755224380. The cubic root of 51102132 is about 371.0903604585.

Adding to 51102132 its reverse (23120115), we get a palindrome (74222247).

The spelling of 51102132 in words is "fifty-one million, one hundred two thousand, one hundred thirty-two".