55063632 has 80 divisors (see below), whose sum is σ = 155267840. Its totient is φ = 16713216.

The previous prime is 55063621. The next prime is 55063643. The reversal of 55063632 is 23636055.

It is an interprime number because it is at equal distance from previous prime (55063621) and next prime (55063643).

It is a self number, because there is not a number n which added to its sum of digits gives 55063632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48738 + ... + 49854.

It is an arithmetic number, because the mean of its divisors is an integer number (1940848).

Almost surely, 2^55063632 is an apocalyptic number.

55063632 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55063632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77633920).

55063632 is an abundant number, since it is smaller than the sum of its proper divisors (100204208).

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

55063632 is a wasteful number, since it uses less digits than its factorization.

55063632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220 (or 1214 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 55063632 is about 7420.4873155339. The cubic root of 55063632 is about 380.4418498386.

Adding to 55063632 its reverse (23636055), we get a palindrome (78699687).

The spelling of 55063632 in words is "fifty-five million, sixty-three thousand, six hundred thirty-two".