51452150 has 24 divisors (see below), whose sum is σ = 99864144. Its totient is φ = 19685600.

The previous prime is 51452143. The next prime is 51452201. The reversal of 51452150 is 5125415.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21221 + ... + 23520.

It is an arithmetic number, because the mean of its divisors is an integer number (4161006).

Almost surely, 2^51452150 is an apocalyptic number.

51452150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51452150 is a deficient number, since it is larger than the sum of its proper divisors (48411994).

51452150 is a wasteful number, since it uses less digits than its factorization.

51452150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44776 (or 44771 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 51452150 is about 7173.0154049744. The cubic root of 51452150 is about 371.9356799035.

Adding to 51452150 its reverse (5125415), we get a palindrome (56577565).

The spelling of 51452150 in words is "fifty-one million, four hundred fifty-two thousand, one hundred fifty".