551250036 has 30 divisors (see below), whose sum is σ = 1441077330. Its totient is φ = 183749904.

The previous prime is 551250031. The next prime is 551250101. The reversal of 551250036 is 630052155.

It can be written as a sum of positive squares in only one way, i.e., 520113636 + 31136400 = 22806^2 + 5580^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 551249991 and 551250009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551250031) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 850371 + ... + 851018.

It is an arithmetic number, because the mean of its divisors is an integer number (48035911).

Almost surely, 2^551250036 is an apocalyptic number.

It is an amenable number.

551250036 is an abundant number, since it is smaller than the sum of its proper divisors (889827294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551250036 is a wasteful number, since it uses less digits than its factorization.

551250036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701405 (or 1701394 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 551250036 is about 23478.7145303997. The cubic root of 551250036 is about 819.9415167491.

The spelling of 551250036 in words is "five hundred fifty-one million, two hundred fifty thousand, thirty-six".