55707030 has 96 divisors (see below), whose sum is σ = 150302880. Its totient is φ = 14307840.

The previous prime is 55707019. The next prime is 55707037. The reversal of 55707030 is 3070755.

It is a junction number, because it is equal to n+sod(n) for n = 55706985 and 55707003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55707037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 400701 + ... + 400839.

It is an arithmetic number, because the mean of its divisors is an integer number (1565655).

Almost surely, 2^55707030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55707030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75151440).

55707030 is an abundant number, since it is smaller than the sum of its proper divisors (94595850).

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

55707030 is a wasteful number, since it uses less digits than its factorization.

55707030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 3675, while the sum is 27.

The square root of 55707030 is about 7463.7142228250. The cubic root of 55707030 is about 381.9178893900.

Adding to 55707030 its reverse (3070755), we get a palindrome (58777785).

The spelling of 55707030 in words is "fifty-five million, seven hundred seven thousand, thirty".