53577342 has 64 divisors (see below), whose sum is σ = 146549760. Its totient is φ = 14128992.

The previous prime is 53577323. The next prime is 53577343. The reversal of 53577342 is 24377535.

53577342 is a `hidden beast` number, since 53 + 577 + 34 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 53577297 and 53577306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53577343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 538 + ... + 10365.

It is an arithmetic number, because the mean of its divisors is an integer number (2289840).

Almost surely, 2^53577342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53577342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73274880).

53577342 is an abundant number, since it is smaller than the sum of its proper divisors (92972418).

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

53577342 is a wasteful number, since it uses less digits than its factorization.

53577342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10934 (or 10928 counting only the distinct ones).

The product of its digits is 88200, while the sum is 36.

The square root of 53577342 is about 7319.6545000430. The cubic root of 53577342 is about 376.9875906766.

It can be divided in two parts, 535 and 77342, that added together give a palindrome (77877).

The spelling of 53577342 in words is "fifty-three million, five hundred seventy-seven thousand, three hundred forty-two".