55872235 has 16 divisors (see below), whose sum is σ = 67953600. Its totient is φ = 44098560.

The previous prime is 55872203. The next prime is 55872239. The reversal of 55872235 is 53227855.

It is not a de Polignac number, because 55872235 - 2⁵ = 55872203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55872194 and 55872203.

It is not an unprimeable number, because it can be changed into a prime (55872239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231715 + ... + 231955.

It is an arithmetic number, because the mean of its divisors is an integer number (4247100).

Almost surely, 2^55872235 is an apocalyptic number.

55872235 is a deficient number, since it is larger than the sum of its proper divisors (12081365).

55872235 is a wasteful number, since it uses less digits than its factorization.

55872235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678.

The product of its digits is 84000, while the sum is 37.

The square root of 55872235 is about 7474.7732407077. The cubic root of 55872235 is about 382.2950558872.

The spelling of 55872235 in words is "fifty-five million, eight hundred seventy-two thousand, two hundred thirty-five".