53242434 has 80 divisors (see below), whose sum is σ = 141134400. Its totient is φ = 14678496.

The previous prime is 53242411. The next prime is 53242457. The reversal of 53242434 is 43424235.

It is an interprime number because it is at equal distance from previous prime (53242411) and next prime (53242457).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 53242398 and 53242407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 32077 + ... + 33695.

It is an arithmetic number, because the mean of its divisors is an integer number (1764180).

Almost surely, 2^53242434 is an apocalyptic number.

53242434 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53242434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70567200).

53242434 is an abundant number, since it is smaller than the sum of its proper divisors (87891966).

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

53242434 is a wasteful number, since it uses less digits than its factorization.

53242434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669 (or 1660 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 53242434 is about 7296.7413274694. The cubic root of 53242434 is about 376.2004410761.

Adding to 53242434 its reverse (43424235), we get a palindrome (96666669).

The spelling of 53242434 in words is "fifty-three million, two hundred forty-two thousand, four hundred thirty-four".