55535312 has 20 divisors (see below), whose sum is σ = 122971296. Its totient is φ = 23800800.

The previous prime is 55535303. The next prime is 55535321. The reversal of 55535312 is 21353555.

It is an interprime number because it is at equal distance from previous prime (55535303) and next prime (55535321).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247814 + ... + 248037.

Almost surely, 2^55535312 is an apocalyptic number.

It is an amenable number.

55535312 is an abundant number, since it is smaller than the sum of its proper divisors (67435984).

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

55535312 is a wasteful number, since it uses less digits than its factorization.

55535312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495866 (or 495860 counting only the distinct ones).

The product of its digits is 11250, while the sum is 29.

The square root of 55535312 is about 7452.2018222804. The cubic root of 55535312 is about 381.5250623813.

Adding to 55535312 its reverse (21353555), we get a palindrome (76888867).

The spelling of 55535312 in words is "fifty-five million, five hundred thirty-five thousand, three hundred twelve".