51774467 has 4 divisors (see below), whose sum is σ = 52429920. Its totient is φ = 51119016.

The previous prime is 51774461. The next prime is 51774473. The reversal of 51774467 is 76447715.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (51774461) and next prime (51774473).

It is a cyclic number.

It is not a de Polignac number, because 51774467 - 2¹⁰ = 51773443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51774461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327608 + ... + 327765.

It is an arithmetic number, because the mean of its divisors is an integer number (13107480).

Almost surely, 2^51774467 is an apocalyptic number.

51774467 is a deficient number, since it is larger than the sum of its proper divisors (655453).

51774467 is an equidigital number, since it uses as much as digits as its factorization.

51774467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655452.

The product of its digits is 164640, while the sum is 41.

The square root of 51774467 is about 7195.4476580683. The cubic root of 51774467 is about 372.7107154273.

The spelling of 51774467 in words is "fifty-one million, seven hundred seventy-four thousand, four hundred sixty-seven".