51364038 has 32 divisors (see below), whose sum is σ = 118661760. Its totient is φ = 14648960.

The previous prime is 51364003. The next prime is 51364039. The reversal of 51364038 is 83046315.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51363996 and 51364014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51364039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21768 + ... + 24011.

It is an arithmetic number, because the mean of its divisors is an integer number (3708180).

Almost surely, 2^51364038 is an apocalyptic number.

51364038 is an abundant number, since it is smaller than the sum of its proper divisors (67297722).

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

51364038 is a wasteful number, since it uses less digits than its factorization.

51364038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45812.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 51364038 is about 7166.8708653080. The cubic root of 51364038 is about 371.7232448427.

The spelling of 51364038 in words is "fifty-one million, three hundred sixty-four thousand, thirty-eight".