53151240 has 64 divisors (see below), whose sum is σ = 163776960. Its totient is φ = 13789440.

The previous prime is 53151233. The next prime is 53151253. The reversal of 53151240 is 4215135.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1546 + ... + 10425.

It is an arithmetic number, because the mean of its divisors is an integer number (2559015).

Almost surely, 2^53151240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53151240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81888480).

53151240 is an abundant number, since it is smaller than the sum of its proper divisors (110625720).

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

53151240 is a wasteful number, since it uses less digits than its factorization.

53151240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12022 (or 12018 counting only the distinct ones).

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

The square root of 53151240 is about 7290.4896954869. The cubic root of 53151240 is about 375.9855321127.

Adding to 53151240 its reverse (4215135), we get a palindrome (57366375).

It can be divided in two parts, 5315 and 1240, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 53151240 in words is "fifty-three million, one hundred fifty-one thousand, two hundred forty".