55712030 has 48 divisors (see below), whose sum is σ = 113015952. Its totient is φ = 19747200.

The previous prime is 55712029. The next prime is 55712057. The reversal of 55712030 is 3021755.

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 55711987 and 55712005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49049 + ... + 50171.

It is an arithmetic number, because the mean of its divisors is an integer number (2354499).

Almost surely, 2^55712030 is an apocalyptic number.

55712030 is an abundant number, since it is smaller than the sum of its proper divisors (57303922).

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

55712030 is a wasteful number, since it uses less digits than its factorization.

55712030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193 (or 1182 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 55712030 is about 7464.0491691842. The cubic root of 55712030 is about 381.9293154304.

Adding to 55712030 its reverse (3021755), we get a palindrome (58733785).

The spelling of 55712030 in words is "fifty-five million, seven hundred twelve thousand, thirty".