51113470 has 32 divisors (see below), whose sum is σ = 95891040. Its totient is φ = 19599360.

The previous prime is 51113459. The next prime is 51113483. The reversal of 51113470 is 7431115.

It is a super-2 number, since 2×51113470² = 5225173630881800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23134 + ... + 25246.

It is an arithmetic number, because the mean of its divisors is an integer number (2996595).

Almost surely, 2^51113470 is an apocalyptic number.

51113470 is a deficient number, since it is larger than the sum of its proper divisors (44777570).

51113470 is a wasteful number, since it uses less digits than its factorization.

51113470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 51113470 is about 7149.3685035813. The cubic root of 51113470 is about 371.1178029625.

Adding to 51113470 its reverse (7431115), we get a palindrome (58544585).

The spelling of 51113470 in words is "fifty-one million, one hundred thirteen thousand, four hundred seventy".