53879580 has 120 divisors (see below), whose sum is σ = 171568320. Its totient is φ = 14152320.

The previous prime is 53879569. The next prime is 53879587. The reversal of 53879580 is 8597835.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53879587) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 127770 + ... + 128190.

It is an arithmetic number, because the mean of its divisors is an integer number (1429736).

Almost surely, 2^53879580 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 53879580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85784160).

53879580 is an abundant number, since it is smaller than the sum of its proper divisors (117688740).

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

53879580 is a wasteful number, since it uses less digits than its factorization.

53879580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 53879580 is about 7340.2711121593. The cubic root of 53879580 is about 377.6951434665.

The spelling of 53879580 in words is "fifty-three million, eight hundred seventy-nine thousand, five hundred eighty".