55700623 has 8 divisors (see below), whose sum is σ = 61021440. Its totient is φ = 50422680.

The previous prime is 55700611. The next prime is 55700627. The reversal of 55700623 is 32600755.

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

It is not a de Polignac number, because 55700623 - 2⁹ = 55700111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55700591 and 55700600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55700627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7965 + ... + 13222.

It is an arithmetic number, because the mean of its divisors is an integer number (7627680).

Almost surely, 2^55700623 is an apocalyptic number.

55700623 is a deficient number, since it is larger than the sum of its proper divisors (5320817).

55700623 is a wasteful number, since it uses less digits than its factorization.

55700623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21437.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 55700623 is about 7463.2850005879. The cubic root of 55700623 is about 381.9032470625.

The spelling of 55700623 in words is "fifty-five million, seven hundred thousand, six hundred twenty-three".