53542380 has 96 divisors (see below), whose sum is σ = 160392960. Its totient is φ = 13305600.

The previous prime is 53542369. The next prime is 53542393. The reversal of 53542380 is 8324535.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76030 + ... + 76730.

It is an arithmetic number, because the mean of its divisors is an integer number (1670760).

Almost surely, 2^53542380 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 53542380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80196480).

53542380 is an abundant number, since it is smaller than the sum of its proper divisors (106850580).

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

53542380 is a wasteful number, since it uses less digits than its factorization.

53542380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 53542380 is about 7317.2658828281. The cubic root of 53542380 is about 376.9055715020.

The spelling of 53542380 in words is "fifty-three million, five hundred forty-two thousand, three hundred eighty".