51132430 has 16 divisors (see below), whose sum is σ = 97452720. Its totient is φ = 19249792.

The previous prime is 51132397. The next prime is 51132449. The reversal of 51132430 is 3423115.

It is a super-2 number, since 2×51132430² = 5229050795409800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51132398 and 51132407.

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, 150220 + ... + 150559.

It is an arithmetic number, because the mean of its divisors is an integer number (6090795).

Almost surely, 2^51132430 is an apocalyptic number.

51132430 is a deficient number, since it is larger than the sum of its proper divisors (46320290).

51132430 is a wasteful number, since it uses less digits than its factorization.

51132430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300803.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 51132430 is about 7150.6943718775. The cubic root of 51132430 is about 371.1636846951.

Adding to 51132430 its reverse (3423115), we get a palindrome (54555545).

The spelling of 51132430 in words is "fifty-one million, one hundred thirty-two thousand, four hundred thirty".