51463379 has 8 divisors (see below), whose sum is σ = 57953280. Its totient is φ = 45275400.

The previous prime is 51463361. The next prime is 51463393. The reversal of 51463379 is 97336415.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51463379 - 2²⁰ = 50414803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51463319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75119 + ... + 75800.

It is an arithmetic number, because the mean of its divisors is an integer number (7244160).

Almost surely, 2^51463379 is an apocalyptic number.

51463379 is a deficient number, since it is larger than the sum of its proper divisors (6489901).

51463379 is a wasteful number, since it uses less digits than its factorization.

51463379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150961.

The product of its digits is 68040, while the sum is 38.

The square root of 51463379 is about 7173.7980874848. The cubic root of 51463379 is about 371.9627352158.

The spelling of 51463379 in words is "fifty-one million, four hundred sixty-three thousand, three hundred seventy-nine".