52551146 has 4 divisors (see below), whose sum is σ = 78826722. Its totient is φ = 26275572.

The previous prime is 52551091. The next prime is 52551151. The reversal of 52551146 is 64115525.

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., 49350625 + 3200521 = 7025^2 + 1789^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13137785 + ... + 13137788.

Almost surely, 2^52551146 is an apocalyptic number.

52551146 is a deficient number, since it is larger than the sum of its proper divisors (26275576).

52551146 is a wasteful number, since it uses less digits than its factorization.

52551146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26275575.

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

The square root of 52551146 is about 7249.2169232269. The cubic root of 52551146 is about 374.5651754092.

The spelling of 52551146 in words is "fifty-two million, five hundred fifty-one thousand, one hundred forty-six".