51152546 has 4 divisors (see below), whose sum is σ = 76728822. Its totient is φ = 25576272.

The previous prime is 51152513. The next prime is 51152551. The reversal of 51152546 is 64525115.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31483321 + 19669225 = 5611^2 + 4435^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12788135 + ... + 12788138.

Almost surely, 2^51152546 is an apocalyptic number.

51152546 is a deficient number, since it is larger than the sum of its proper divisors (25576276).

51152546 is a wasteful number, since it uses less digits than its factorization.

51152546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25576275.

The product of its digits is 6000, while the sum is 29.

The square root of 51152546 is about 7152.1008102515. The cubic root of 51152546 is about 371.2123514596.

The spelling of 51152546 in words is "fifty-one million, one hundred fifty-two thousand, five hundred forty-six".