55302630 has 16 divisors (see below), whose sum is σ = 132726384. Its totient is φ = 14747360.

The previous prime is 55302619. The next prime is 55302659. The reversal of 55302630 is 3620355.

It is a self number, because there is not a number n which added to its sum of digits gives 55302630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921681 + ... + 921740.

It is an arithmetic number, because the mean of its divisors is an integer number (8295399).

Almost surely, 2^55302630 is an apocalyptic number.

55302630 is an abundant number, since it is smaller than the sum of its proper divisors (77423754).

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

55302630 is a wasteful number, since it uses less digits than its factorization.

55302630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843431.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 55302630 is about 7436.5738078769. The cubic root of 55302630 is about 380.9914782368.

Adding to 55302630 its reverse (3620355), we get a palindrome (58922985).

The spelling of 55302630 in words is "fifty-five million, three hundred two thousand, six hundred thirty".