51452010 has 40 divisors (see below), whose sum is σ = 138350916. Its totient is φ = 13720320.

The previous prime is 51451999. The next prime is 51452017. The reversal of 51452010 is 1025415.

It can be written as a sum of positive squares in 2 ways, for example, as 51451929 + 81 = 7173^2 + 9^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (51452017) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30951 + ... + 32570.

Almost surely, 2^51452010 is an apocalyptic number.

51452010 is an abundant number, since it is smaller than the sum of its proper divisors (86898906).

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

51452010 is a wasteful number, since it uses less digits than its factorization.

51452010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63540 (or 63531 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 51452010 is about 7173.0056461709. The cubic root of 51452010 is about 371.9353425606.

Adding to 51452010 its reverse (1025415), we get a palindrome (52477425).

The spelling of 51452010 in words is "fifty-one million, four hundred fifty-two thousand, ten".