51301137 has 16 divisors (see below), whose sum is σ = 69225408. Its totient is φ = 33792000.

The previous prime is 51301079. The next prime is 51301141. The reversal of 51301137 is 73110315.

It is not a de Polignac number, because 51301137 - 2⁷ = 51301009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51301037) 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, 145153 + ... + 145505.

It is an arithmetic number, because the mean of its divisors is an integer number (4326588).

Almost surely, 2^51301137 is an apocalyptic number.

It is an amenable number.

51301137 is a deficient number, since it is larger than the sum of its proper divisors (17924271).

51301137 is a wasteful number, since it uses less digits than its factorization.

51301137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 51301137 is about 7162.4812041638. The cubic root of 51301137 is about 371.5714439864.

The spelling of 51301137 in words is "fifty-one million, three hundred one thousand, one hundred thirty-seven".