551402536 has 16 divisors (see below), whose sum is σ = 1034458740. Its totient is φ = 275546880.

The previous prime is 551402473. The next prime is 551402557. The reversal of 551402536 is 635204155.

It can be written as a sum of positive squares in 2 ways, for example, as 495062500 + 56340036 = 22250^2 + 7506^2 .

It is a junction number, because it is equal to n+sod(n) for n = 551402498 and 551402507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3345 + ... + 33376.

Almost surely, 2^551402536 is an apocalyptic number.

It is an amenable number.

551402536 is a deficient number, since it is larger than the sum of its proper divisors (483056204).

551402536 is a wasteful number, since it uses less digits than its factorization.

551402536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38604 (or 38600 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 551402536 is about 23481.9619282546. The cubic root of 551402536 is about 820.0171204040.

The spelling of 551402536 in words is "five hundred fifty-one million, four hundred two thousand, five hundred thirty-six".