51474279 has 8 divisors (see below), whose sum is σ = 68766192. Its totient is φ = 34249280.

The previous prime is 51474277. The next prime is 51474281. The reversal of 51474279 is 97247415.

It is an interprime number because it is at equal distance from previous prime (51474277) and next prime (51474281).

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 51474279 - 2¹ = 51474277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51474277) 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, 14904 + ... + 18029.

It is an arithmetic number, because the mean of its divisors is an integer number (8595774).

Almost surely, 2^51474279 is an apocalyptic number.

51474279 is a deficient number, since it is larger than the sum of its proper divisors (17291913).

51474279 is a wasteful number, since it uses less digits than its factorization.

51474279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33457.

The product of its digits is 70560, while the sum is 39.

The square root of 51474279 is about 7174.5577564056. The cubic root of 51474279 is about 371.9889940668.

The spelling of 51474279 in words is "fifty-one million, four hundred seventy-four thousand, two hundred seventy-nine".