551150625 has 40 divisors (see below), whose sum is σ = 972363744. Its totient is φ = 276640000.

The previous prime is 551150609. The next prime is 551150629. The reversal of 551150625 is 526051155.

It is not a de Polignac number, because 551150625 - 2⁴ = 551150609 is a prime.

It is a super-2 number, since 2×551150625² = 607534022875781250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 551150592 and 551150601.

It is not an unprimeable number, because it can be changed into a prime (551150629) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23230 + ... + 40520.

Almost surely, 2^551150625 is an apocalyptic number.

It is an amenable number.

551150625 is a deficient number, since it is larger than the sum of its proper divisors (421213119).

551150625 is a wasteful number, since it uses less digits than its factorization.

551150625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17331 (or 17316 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 551150625 is about 23476.5973897411. The cubic root of 551150625 is about 819.8922250780.

It can be divided in two parts, 551150 and 625, that added together give a triangular number (551775 = T₁₀₅₀).

The spelling of 551150625 in words is "five hundred fifty-one million, one hundred fifty thousand, six hundred twenty-five".