55975425 has 48 divisors (see below), whose sum is σ = 106302720. Its totient is φ = 25704000.

The previous prime is 55975421. The next prime is 55975433. The reversal of 55975425 is 52457955.

It is not a de Polignac number, because 55975425 - 2² = 55975421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55975421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13890 + ... + 17460.

It is an arithmetic number, because the mean of its divisors is an integer number (2214640).

Almost surely, 2^55975425 is an apocalyptic number.

55975425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55975425 is a deficient number, since it is larger than the sum of its proper divisors (50327295).

55975425 is a wasteful number, since it uses less digits than its factorization.

55975425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614 (or 3609 counting only the distinct ones).

The product of its digits is 315000, while the sum is 42.

The square root of 55975425 is about 7481.6726071113. The cubic root of 55975425 is about 382.5302637424.

The spelling of 55975425 in words is "fifty-five million, nine hundred seventy-five thousand, four hundred twenty-five".