51514152 has 16 divisors (see below), whose sum is σ = 128785440. Its totient is φ = 17171376.

The previous prime is 51514147. The next prime is 51514171. The reversal of 51514152 is 25141515.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2146423 = 51514152 / (5 + 1 + 5 + 1 + 4 + 1 + 5 + 2).

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, 1073188 + ... + 1073235.

It is an arithmetic number, because the mean of its divisors is an integer number (8049090).

Almost surely, 2^51514152 is an apocalyptic number.

It is an amenable number.

51514152 is an abundant number, since it is smaller than the sum of its proper divisors (77271288).

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

51514152 is a wasteful number, since it uses less digits than its factorization.

51514152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146432 (or 2146428 counting only the distinct ones).

The product of its digits is 1000, while the sum is 24.

The square root of 51514152 is about 7177.3359960364. The cubic root of 51514152 is about 372.0850193005.

Adding to 51514152 its reverse (25141515), we get a palindrome (76655667).

The spelling of 51514152 in words is "fifty-one million, five hundred fourteen thousand, one hundred fifty-two".