52144351 has 4 divisors (see below), whose sum is σ = 59593552. Its totient is φ = 44695152.

The previous prime is 52144343. The next prime is 52144357. The reversal of 52144351 is 15344125.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52144351 - 2³ = 52144343 is a prime.

It is a super-2 number, since 2×52144351² = 5438066682422402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52144357) 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, 3724590 + ... + 3724603.

It is an arithmetic number, because the mean of its divisors is an integer number (14898388).

Almost surely, 2^52144351 is an apocalyptic number.

52144351 is a deficient number, since it is larger than the sum of its proper divisors (7449201).

52144351 is an equidigital number, since it uses as much as digits as its factorization.

52144351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7449200.

The product of its digits is 2400, while the sum is 25.

The square root of 52144351 is about 7221.1045553987. The cubic root of 52144351 is about 373.5961758913.

Adding to 52144351 its reverse (15344125), we get a palindrome (67488476).

The spelling of 52144351 in words is "fifty-two million, one hundred forty-four thousand, three hundred fifty-one".