53102380 has 48 divisors (see below), whose sum is σ = 117976320. Its totient is φ = 20044800.

The previous prime is 53102369. The next prime is 53102381. The reversal of 53102380 is 8320135.

It is not an unprimeable number, because it can be changed into a prime (53102381) 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, 24376 + ... + 26464.

It is an arithmetic number, because the mean of its divisors is an integer number (2457840).

Almost surely, 2^53102380 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 53102380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58988160).

53102380 is an abundant number, since it is smaller than the sum of its proper divisors (64873940).

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

53102380 is a wasteful number, since it uses less digits than its factorization.

53102380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170 (or 2168 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 53102380 is about 7287.1379841471. The cubic root of 53102380 is about 375.8702868545.

The spelling of 53102380 in words is "fifty-three million, one hundred two thousand, three hundred eighty".