51053430 has 32 divisors (see below), whose sum is σ = 122942304. Its totient is φ = 13568256.

The previous prime is 51053413. The next prime is 51053459. The reversal of 51053430 is 3435015.

It is a junction number, because it is equal to n+sod(n) for n = 51053397 and 51053406.

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, 6672 + ... + 12108.

It is an arithmetic number, because the mean of its divisors is an integer number (3841947).

Almost surely, 2^51053430 is an apocalyptic number.

51053430 is an abundant number, since it is smaller than the sum of its proper divisors (71888874).

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

51053430 is a wasteful number, since it uses less digits than its factorization.

51053430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5760.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 51053430 is about 7145.1682975281. The cubic root of 51053430 is about 370.9724359127.

Adding to 51053430 its reverse (3435015), we get a palindrome (54488445).

The spelling of 51053430 in words is "fifty-one million, fifty-three thousand, four hundred thirty".