550531025 has 24 divisors (see below), whose sum is σ = 746181408. Its totient is φ = 399600000.

The previous prime is 550530997. The next prime is 550531049. The reversal of 550531025 is 520135055.

It is not a de Polignac number, because 550531025 - 2⁶ = 550530961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 550530985 and 550531003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163610 + ... + 166940.

It is an arithmetic number, because the mean of its divisors is an integer number (31090892).

Almost surely, 2^550531025 is an apocalyptic number.

550531025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

550531025 is a deficient number, since it is larger than the sum of its proper divisors (195650383).

550531025 is a wasteful number, since it uses less digits than its factorization.

550531025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953 (or 3948 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 550531025 is about 23463.3975587509. The cubic root of 550531025 is about 819.5848706791.

The spelling of 550531025 in words is "five hundred fifty million, five hundred thirty-one thousand, twenty-five".