51530926 has 8 divisors (see below), whose sum is σ = 81364680. Its totient is φ = 24409368.

The previous prime is 51530923. The next prime is 51530929. The reversal of 51530926 is 62903515.

It is an interprime number because it is at equal distance from previous prime (51530923) and next prime (51530929).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51530923) 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, 678001 + ... + 678076.

It is an arithmetic number, because the mean of its divisors is an integer number (10170585).

Almost surely, 2^51530926 is an apocalyptic number.

51530926 is a deficient number, since it is larger than the sum of its proper divisors (29833754).

51530926 is a wasteful number, since it uses less digits than its factorization.

51530926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356098.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 51530926 is about 7178.5044403413. The cubic root of 51530926 is about 372.1254009338.

The spelling of 51530926 in words is "fifty-one million, five hundred thirty thousand, nine hundred twenty-six".