55332534 has 16 divisors (see below), whose sum is σ = 113364720. Its totient is φ = 17994240.

The previous prime is 55332523. The next prime is 55332539. The reversal of 55332534 is 43523355.

It is a super-2 number, since 2×55332534² = 6123378637722312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55332539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112219 + ... + 112710.

It is an arithmetic number, because the mean of its divisors is an integer number (7085295).

Almost surely, 2^55332534 is an apocalyptic number.

55332534 is an abundant number, since it is smaller than the sum of its proper divisors (58032186).

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

55332534 is a wasteful number, since it uses less digits than its factorization.

55332534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224975.

The product of its digits is 27000, while the sum is 30.

The square root of 55332534 is about 7438.5841394717. The cubic root of 55332534 is about 381.0601375165.

Adding to 55332534 its reverse (43523355), we get a palindrome (98855889).

The spelling of 55332534 in words is "fifty-five million, three hundred thirty-two thousand, five hundred thirty-four".