55350625 has 40 divisors (see below), whose sum is σ = 77150304. Its totient is φ = 39360000.

The previous prime is 55350619. The next prime is 55350641. The reversal of 55350625 is 52605355.

It is not a de Polignac number, because 55350625 - 2¹⁹ = 54826337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 570577 + ... + 570673.

Almost surely, 2^55350625 is an apocalyptic number.

55350625 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55350625 is a deficient number, since it is larger than the sum of its proper divisors (21799679).

55350625 is an equidigital number, since it uses as much as digits as its factorization.

55350625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 55350625 is about 7439.8000645179. The cubic root of 55350625 is about 381.1016622596.

The spelling of 55350625 in words is "fifty-five million, three hundred fifty thousand, six hundred twenty-five".