51601038 has 16 divisors (see below), whose sum is σ = 103273680. Its totient is φ = 17188416.

The previous prime is 51601021. The next prime is 51601057. The reversal of 51601038 is 83010615.

It is a junction number, because it is equal to n+sod(n) for n = 51600999 and 51601017.

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, 12858 + ... + 16386.

It is an arithmetic number, because the mean of its divisors is an integer number (6454605).

Almost surely, 2^51601038 is an apocalyptic number.

51601038 is an abundant number, since it is smaller than the sum of its proper divisors (51672642).

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

51601038 is a wasteful number, since it uses less digits than its factorization.

51601038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5971.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 51601038 is about 7183.3862488384. The cubic root of 51601038 is about 372.2940933699.

The spelling of 51601038 in words is "fifty-one million, six hundred one thousand, thirty-eight".