51379294 has 4 divisors (see below), whose sum is σ = 77068944. Its totient is φ = 25689646.

The previous prime is 51379291. The next prime is 51379297. The reversal of 51379294 is 49297315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49297315 = 5 ⋅9859463.

It is an interprime number because it is at equal distance from previous prime (51379291) and next prime (51379297).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51379291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12844822 + ... + 12844825.

It is an arithmetic number, because the mean of its divisors is an integer number (19267236).

Almost surely, 2^51379294 is an apocalyptic number.

51379294 is a deficient number, since it is larger than the sum of its proper divisors (25689650).

51379294 is a wasteful number, since it uses less digits than its factorization.

51379294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25689649.

The product of its digits is 68040, while the sum is 40.

The square root of 51379294 is about 7167.9351280547. The cubic root of 51379294 is about 371.7600439255.

The spelling of 51379294 in words is "fifty-one million, three hundred seventy-nine thousand, two hundred ninety-four".