51124004 has 12 divisors (see below), whose sum is σ = 89526528. Its totient is φ = 25545000.

The previous prime is 51124001. The next prime is 51124037. The reversal of 51124004 is 40042115.

It is a super-2 number, since 2×51124004² = 5227327569984032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51124001) 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, 4529 + ... + 11079.

It is an arithmetic number, because the mean of its divisors is an integer number (7460544).

Almost surely, 2^51124004 is an apocalyptic number.

It is an amenable number.

51124004 is a deficient number, since it is larger than the sum of its proper divisors (38402524).

51124004 is a wasteful number, since it uses less digits than its factorization.

51124004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8506 (or 8504 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 51124004 is about 7150.1051740516. The cubic root of 51124004 is about 371.1432958277.

Adding to 51124004 its reverse (40042115), we get a palindrome (91166119).

The spelling of 51124004 in words is "fifty-one million, one hundred twenty-four thousand, four".