5551156 has 12 divisors (see below), whose sum is σ = 10461892. Its totient is φ = 2562048.

The previous prime is 5551121. The next prime is 5551157. The reversal of 5551156 is 6511555.

It can be written as a sum of positive squares in 2 ways, for example, as 2202256 + 3348900 = 1484^2 + 1830^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53325 + ... + 53428.

Almost surely, 2^5551156 is an apocalyptic number.

It is an amenable number.

5551156 is a deficient number, since it is larger than the sum of its proper divisors (4910736).

5551156 is a wasteful number, since it uses less digits than its factorization.

5551156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106770 (or 106768 counting only the distinct ones).

The product of its digits is 3750, while the sum is 28.

The square root of 5551156 is about 2356.0891324396. The cubic root of 5551156 is about 177.0629969295.

It can be divided in two parts, 555 and 1156, that added together give a triangular number (1711 = T₅₈).

The spelling of 5551156 in words is "five million, five hundred fifty-one thousand, one hundred fifty-six".