55402125 has 16 divisors (see below), whose sum is σ = 92189760. Its totient is φ = 29547600.

The previous prime is 55402097. The next prime is 55402129. The reversal of 55402125 is 52120455.

It is a happy number.

It is not a de Polignac number, because 55402125 - 2⁸ = 55401869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55402095 and 55402104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55402129) 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, 73495 + ... + 74244.

It is an arithmetic number, because the mean of its divisors is an integer number (5761860).

Almost surely, 2^55402125 is an apocalyptic number.

It is an amenable number.

55402125 is a deficient number, since it is larger than the sum of its proper divisors (36787635).

55402125 is a wasteful number, since it uses less digits than its factorization.

55402125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147757 (or 147747 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 55402125 is about 7443.2603743252. The cubic root of 55402125 is about 381.2198220313.

The spelling of 55402125 in words is "fifty-five million, four hundred two thousand, one hundred twenty-five".