51367371 has 8 divisors (see below), whose sum is σ = 74716224. Its totient is φ = 31131720.

The previous prime is 51367367. The next prime is 51367373. The reversal of 51367371 is 17376315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51367371 - 2² = 51367367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1556587 = 51367371 / (5 + 1 + 3 + 6 + 7 + 3 + 7 + 1).

It is not an unprimeable number, because it can be changed into a prime (51367373) 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, 778261 + ... + 778326.

It is an arithmetic number, because the mean of its divisors is an integer number (9339528).

Almost surely, 2^51367371 is an apocalyptic number.

51367371 is a deficient number, since it is larger than the sum of its proper divisors (23348853).

51367371 is a wasteful number, since it uses less digits than its factorization.

51367371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556601.

The product of its digits is 13230, while the sum is 33.

The square root of 51367371 is about 7167.1033897942. The cubic root of 51367371 is about 371.7312850126.

The spelling of 51367371 in words is "fifty-one million, three hundred sixty-seven thousand, three hundred seventy-one".