51616050 has 48 divisors (see below), whose sum is σ = 129313152. Its totient is φ = 13624000.

The previous prime is 51616043. The next prime is 51616057. The reversal of 51616050 is 5061615.

It is an interprime number because it is at equal distance from previous prime (51616043) and next prime (51616057).

It is a self number, because there is not a number n which added to its sum of digits gives 51616050.

It is not an unprimeable number, because it can be changed into a prime (51616057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13447 + ... + 16853.

It is an arithmetic number, because the mean of its divisors is an integer number (2694024).

Almost surely, 2^51616050 is an apocalyptic number.

51616050 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 51616050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64656576).

51616050 is an abundant number, since it is smaller than the sum of its proper divisors (77697102).

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

51616050 is a wasteful number, since it uses less digits than its factorization.

51616050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3523 (or 3518 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 51616050 is about 7184.4310839481. The cubic root of 51616050 is about 372.3301930122.

Adding to 51616050 its reverse (5061615), we get a palindrome (56677665).

It can be divided in two parts, 5161 and 6050, that added together give a palindrome (11211).

The spelling of 51616050 in words is "fifty-one million, six hundred sixteen thousand, fifty".