51040452 has 12 divisors (see below), whose sum is σ = 119094416. Its totient is φ = 17013480.

The previous prime is 51040433. The next prime is 51040471. The reversal of 51040452 is 25404015.

It is an interprime number because it is at equal distance from previous prime (51040433) and next prime (51040471).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2126674 + ... + 2126697.

Almost surely, 2^51040452 is an apocalyptic number.

It is an amenable number.

51040452 is an abundant number, since it is smaller than the sum of its proper divisors (68053964).

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

51040452 is a wasteful number, since it uses less digits than its factorization.

51040452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253378 (or 4253376 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 51040452 is about 7144.2600736535. The cubic root of 51040452 is about 370.9409989894.

Adding to 51040452 its reverse (25404015), we get a palindrome (76444467).

The spelling of 51040452 in words is "fifty-one million, forty thousand, four hundred fifty-two".