53577420 has 96 divisors (see below), whose sum is σ = 162993600. Its totient is φ = 13071360.

The previous prime is 53577409. The next prime is 53577437. The reversal of 53577420 is 2477535.

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, 115990 + ... + 116450.

It is an arithmetic number, because the mean of its divisors is an integer number (1697850).

Almost surely, 2^53577420 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 53577420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81496800).

53577420 is an abundant number, since it is smaller than the sum of its proper divisors (109416180).

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

53577420 is a wasteful number, since it uses less digits than its factorization.

53577420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 53577420 is about 7319.6598281614. The cubic root of 53577420 is about 376.9877736210.

The spelling of 53577420 in words is "fifty-three million, five hundred seventy-seven thousand, four hundred twenty".