52561514 has 8 divisors (see below), whose sum is σ = 81561060.
Its totient is φ = 25374496.
The previous prime is 52561499. The next prime is 52561517. The reversal of 52561514 is 41516525.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 50055625 + 2505889 = 7075^2 + 1583^2
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is not an unprimeable number, because it can be changed into a prime (52561517) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453059 + ... + 453174.
Almost surely, 252561514 is an apocalyptic number.
52561514 is a deficient number, since it is larger than the sum of its proper divisors (28999546).
52561514 is a wasteful number, since it uses less digits than its factorization.
52561514 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 906264.
The product of its digits is 6000, while the sum is 29.
The square root of 52561514 is about 7249.9319996811.
The cubic root of 52561514 is about 374.5898068820.
The spelling of 52561514 in words is "fifty-two million, five hundred sixty-one thousand, five hundred fourteen".