51427624 has 32 divisors (see below), whose sum is σ = 98781120. Its totient is φ = 25094016.

The previous prime is 51427603. The next prime is 51427627. The reversal of 51427624 is 42672415.

It is not an unprimeable number, because it can be changed into a prime (51427627) 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, 62077 + ... + 62899.

It is an arithmetic number, because the mean of its divisors is an integer number (3086910).

Almost surely, 2^51427624 is an apocalyptic number.

It is an amenable number.

51427624 is a deficient number, since it is larger than the sum of its proper divisors (47353496).

51427624 is a wasteful number, since it uses less digits than its factorization.

51427624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009 (or 1005 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 51427624 is about 7171.3055994010. The cubic root of 51427624 is about 371.8765729190.

The spelling of 51427624 in words is "fifty-one million, four hundred twenty-seven thousand, six hundred twenty-four".