51336030 has 32 divisors (see below), whose sum is σ = 123840000. Its totient is φ = 13619232.

The previous prime is 51336011. The next prime is 51336049. The reversal of 51336030 is 3063315.

It is an interprime number because it is at equal distance from previous prime (51336011) and next prime (51336049).

It is a junction number, because it is equal to n+sod(n) for n = 51335988 and 51336006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1671 + ... + 10269.

It is an arithmetic number, because the mean of its divisors is an integer number (3870000).

Almost surely, 2^51336030 is an apocalyptic number.

51336030 is an abundant number, since it is smaller than the sum of its proper divisors (72503970).

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

51336030 is a wasteful number, since it uses less digits than its factorization.

51336030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8808.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 51336030 is about 7164.9166080283. The cubic root of 51336030 is about 371.6556676170.

Adding to 51336030 its reverse (3063315), we get a palindrome (54399345).

The spelling of 51336030 in words is "fifty-one million, three hundred thirty-six thousand, thirty".