52151340 has 48 divisors (see below), whose sum is σ = 148428000. Its totient is φ = 13678080.

The previous prime is 52151329. The next prime is 52151347. The reversal of 52151340 is 4315125.

It is not an unprimeable number, because it can be changed into a prime (52151347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3465 + ... + 10784.

It is an arithmetic number, because the mean of its divisors is an integer number (3092250).

Almost surely, 2^52151340 is an apocalyptic number.

It is an amenable number.

52151340 is an abundant number, since it is smaller than the sum of its proper divisors (96276660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52151340 is a wasteful number, since it uses less digits than its factorization.

52151340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14322 (or 14320 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 52151340 is about 7221.5884679203. The cubic root of 52151340 is about 373.6128663987.

Adding to 52151340 its reverse (4315125), we get a palindrome (56466465).

It can be divided in two parts, 5215 and 1340, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 52151340 in words is "fifty-two million, one hundred fifty-one thousand, three hundred forty".