51470004 has 24 divisors (see below), whose sum is σ = 121288608. Its totient is φ = 16986400.

The previous prime is 51469973. The next prime is 51470009. The reversal of 51470004 is 40007415.

51470004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51470004² = 5298322623520032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51470009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20022 + ... + 22445.

It is an arithmetic number, because the mean of its divisors is an integer number (5053692).

Almost surely, 2^51470004 is an apocalyptic number.

It is an amenable number.

51470004 is an abundant number, since it is smaller than the sum of its proper divisors (69818604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51470004 is a wasteful number, since it uses less digits than its factorization.

51470004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42575 (or 42573 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 51470004 is about 7174.2598224486. The cubic root of 51470004 is about 371.9786957391.

Adding to 51470004 its reverse (40007415), we get a palindrome (91477419).

The spelling of 51470004 in words is "fifty-one million, four hundred seventy thousand, four".