52145501 has 8 divisors (see below), whose sum is σ = 52887744. Its totient is φ = 51408000.

The previous prime is 52145461. The next prime is 52145521. The reversal of 52145501 is 10554125.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52145501 - 2¹⁴ = 52129117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52145521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24845 + ... + 26861.

It is an arithmetic number, because the mean of its divisors is an integer number (6610968).

Almost surely, 2^52145501 is an apocalyptic number.

It is an amenable number.

52145501 is a deficient number, since it is larger than the sum of its proper divisors (742243).

52145501 is a wasteful number, since it uses less digits than its factorization.

52145501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371.

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

The square root of 52145501 is about 7221.1841826670. The cubic root of 52145501 is about 373.5989223214.

Adding to 52145501 its reverse (10554125), we get a palindrome (62699626).

The spelling of 52145501 in words is "fifty-two million, one hundred forty-five thousand, five hundred one".