52154520 has 64 divisors (see below), whose sum is σ = 170691840. Its totient is φ = 12643200.

The previous prime is 52154519. The next prime is 52154549. The reversal of 52154520 is 2545125.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 18436 + ... + 21075.

It is an arithmetic number, because the mean of its divisors is an integer number (2667060).

Almost surely, 2^52154520 is an apocalyptic number.

It is an amenable number.

52154520 is an abundant number, since it is smaller than the sum of its proper divisors (118537320).

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

52154520 is a wasteful number, since it uses less digits than its factorization.

52154520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39536 (or 39532 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 52154520 is about 7221.8086377306. The cubic root of 52154520 is about 373.6204600979.

Adding to 52154520 its reverse (2545125), we get a palindrome (54699645).

The spelling of 52154520 in words is "fifty-two million, one hundred fifty-four thousand, five hundred twenty".