55349232 has 20 divisors (see below), whose sum is σ = 142985640. Its totient is φ = 18449728.

The previous prime is 55349227. The next prime is 55349237. The reversal of 55349232 is 23294355.

It is an interprime number because it is at equal distance from previous prime (55349227) and next prime (55349237).

It is a junction number, because it is equal to n+sod(n) for n = 55349193 and 55349202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55349237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576507 + ... + 576602.

It is an arithmetic number, because the mean of its divisors is an integer number (7149282).

Almost surely, 2^55349232 is an apocalyptic number.

It is an amenable number.

55349232 is an abundant number, since it is smaller than the sum of its proper divisors (87636408).

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

55349232 is a wasteful number, since it uses less digits than its factorization.

55349232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153120 (or 1153114 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The square root of 55349232 is about 7439.7064458216. The cubic root of 55349232 is about 381.0984651920.

The spelling of 55349232 in words is "fifty-five million, three hundred forty-nine thousand, two hundred thirty-two".