55363630 has 32 divisors (see below), whose sum is σ = 116222400. Its totient is φ = 18980640.

The previous prime is 55363597. The next prime is 55363631. The reversal of 55363630 is 3636355.

It is a junction number, because it is equal to n+sod(n) for n = 55363592 and 55363601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55363631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4641 + ... + 11500.

It is an arithmetic number, because the mean of its divisors is an integer number (3631950).

Almost surely, 2^55363630 is an apocalyptic number.

55363630 is an abundant number, since it is smaller than the sum of its proper divisors (60858770).

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

55363630 is a wasteful number, since it uses less digits than its factorization.

55363630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16169 (or 16155 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 31.

The square root of 55363630 is about 7440.6740286079. The cubic root of 55363630 is about 381.1315073848.

Adding to 55363630 its reverse (3636355), we get a palindrome (58999985).

It can be divided in two parts, 55 and 363630, that multiplied together give a triangular number (19999650 = T₆₃₂₄).

The spelling of 55363630 in words is "fifty-five million, three hundred sixty-three thousand, six hundred thirty".