51252454 has 48 divisors (see below), whose sum is σ = 89535600. Its totient is φ = 21954240.

The previous prime is 51252451. The next prime is 51252457. The reversal of 51252454 is 45425215.

It is an interprime number because it is at equal distance from previous prime (51252451) and next prime (51252457).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51252451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 470152 + ... + 470260.

It is an arithmetic number, because the mean of its divisors is an integer number (1865325).

Almost surely, 2^51252454 is an apocalyptic number.

51252454 is a deficient number, since it is larger than the sum of its proper divisors (38283146).

51252454 is a wasteful number, since it uses less digits than its factorization.

51252454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 218 counting only the distinct ones).

The product of its digits is 8000, while the sum is 28.

The square root of 51252454 is about 7159.0819243811. The cubic root of 51252454 is about 371.4538706492.

Adding to 51252454 its reverse (45425215), we get a palindrome (96677669).

It can be divided in two parts, 512524 and 54, that added together give a triangular number (512578 = T₁₀₁₂).

The spelling of 51252454 in words is "fifty-one million, two hundred fifty-two thousand, four hundred fifty-four".