52053870 has 32 divisors (see below), whose sum is σ = 136287360. Its totient is φ = 12619040.

The previous prime is 52053809. The next prime is 52053877. The reversal of 52053870 is 7835025.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52053877) 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, 78540 + ... + 79199.

It is an arithmetic number, because the mean of its divisors is an integer number (4258980).

Almost surely, 2^52053870 is an apocalyptic number.

52053870 is an abundant number, since it is smaller than the sum of its proper divisors (84233490).

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

52053870 is a wasteful number, since it uses less digits than its factorization.

52053870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157760.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 52053870 is about 7214.8367964910. The cubic root of 52053870 is about 373.3799624652.

Adding to 52053870 its reverse (7835025), we get a palindrome (59888895).

The spelling of 52053870 in words is "fifty-two million, fifty-three thousand, eight hundred seventy".