51436350 has 96 divisors (see below), whose sum is σ = 162013440. Its totient is φ = 11754720.

The previous prime is 51436331. The next prime is 51436387. The reversal of 51436350 is 5363415.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6729 + ... + 12171.

It is an arithmetic number, because the mean of its divisors is an integer number (1687640).

Almost surely, 2^51436350 is an apocalyptic number.

51436350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51436350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81006720).

51436350 is an abundant number, since it is smaller than the sum of its proper divisors (110577090).

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

51436350 is a wasteful number, since it uses less digits than its factorization.

51436350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5471 (or 5460 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 51436350 is about 7171.9139704824. The cubic root of 51436350 is about 371.8976044918.

Adding to 51436350 its reverse (5363415), we get a palindrome (56799765).

It can be divided in two parts, 514 and 36350, that added together give a square (36864 = 192²).

The spelling of 51436350 in words is "fifty-one million, four hundred thirty-six thousand, three hundred fifty".