55700030 has 8 divisors (see below), whose sum is σ = 100260072. Its totient is φ = 22280008.

The previous prime is 55700009. The next prime is 55700033. The reversal of 55700030 is 3000755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 55699975 and 55700011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55700033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2784992 + ... + 2785011.

It is an arithmetic number, because the mean of its divisors is an integer number (12532509).

Almost surely, 2^55700030 is an apocalyptic number.

55700030 is a deficient number, since it is larger than the sum of its proper divisors (44560042).

55700030 is a wasteful number, since it uses less digits than its factorization.

55700030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570010.

The product of its (nonzero) digits is 525, while the sum is 20.

The square root of 55700030 is about 7463.2452726679. The cubic root of 55700030 is about 381.9018917849.

Adding to 55700030 its reverse (3000755), we get a palindrome (58700785).

The spelling of 55700030 in words is "fifty-five million, seven hundred thousand, thirty".