51341620 has 24 divisors (see below), whose sum is σ = 117619488. Its totient is φ = 18669600.

The previous prime is 51341617. The next prime is 51341639. The reversal of 51341620 is 2614315.

51341620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 51341591 and 51341600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116466 + ... + 116905.

It is an arithmetic number, because the mean of its divisors is an integer number (4900812).

Almost surely, 2^51341620 is an apocalyptic number.

It is an amenable number.

51341620 is an abundant number, since it is smaller than the sum of its proper divisors (66277868).

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

51341620 is a wasteful number, since it uses less digits than its factorization.

51341620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233391 (or 233389 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 51341620 is about 7165.3066926685. The cubic root of 51341620 is about 371.6691570368.

Adding to 51341620 its reverse (2614315), we get a palindrome (53955935).

It can be divided in two parts, 5 and 1341620, that multiplied together give a square (6708100 = 2590²).

The spelling of 51341620 in words is "fifty-one million, three hundred forty-one thousand, six hundred twenty".