51324102 has 24 divisors (see below), whose sum is σ = 111334080. Its totient is φ = 17087760.

The previous prime is 51324101. The next prime is 51324103. The reversal of 51324102 is 20142315.

It is an interprime number because it is at equal distance from previous prime (51324101) and next prime (51324103).

It is a super-2 number, since 2×51324102² = 5268326892212808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51324101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28299 + ... + 30057.

It is an arithmetic number, because the mean of its divisors is an integer number (4638920).

Almost surely, 2^51324102 is an apocalyptic number.

51324102 is an abundant number, since it is smaller than the sum of its proper divisors (60009978).

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

51324102 is a wasteful number, since it uses less digits than its factorization.

51324102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388 (or 3385 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 51324102 is about 7164.0841703598. The cubic root of 51324102 is about 371.6268804786.

Adding to 51324102 its reverse (20142315), we get a palindrome (71466417).

The spelling of 51324102 in words is "fifty-one million, three hundred twenty-four thousand, one hundred two".