51073360 has 40 divisors (see below), whose sum is σ = 127882440. Its totient is φ = 18857472.

The previous prime is 51073339. The next prime is 51073369. The reversal of 51073360 is 6337015.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 207936 + 50865424 = 456^2 + 7132^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51073369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23515 + ... + 25594.

It is an arithmetic number, because the mean of its divisors is an integer number (3197061).

Almost surely, 2^51073360 is an apocalyptic number.

It is an amenable number.

51073360 is an abundant number, since it is smaller than the sum of its proper divisors (76809080).

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

51073360 is a wasteful number, since it uses less digits than its factorization.

51073360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49135 (or 49129 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 51073360 is about 7146.5628101906. The cubic root of 51073360 is about 371.0207024626.

The spelling of 51073360 in words is "fifty-one million, seventy-three thousand, three hundred sixty".