5551456 has 12 divisors (see below), whose sum is σ = 10929492. Its totient is φ = 2775712.

The previous prime is 5551453. The next prime is 5551459. The reversal of 5551456 is 6541555.

5551456 = T₁₃₈ + T₁₃₉ + ... + T₃₂₉.

It is an interprime number because it is at equal distance from previous prime (5551453) and next prime (5551459).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86710 + ... + 86773.

It is an arithmetic number, because the mean of its divisors is an integer number (910791).

Almost surely, 2^5551456 is an apocalyptic number.

It is an amenable number.

5551456 is a deficient number, since it is larger than the sum of its proper divisors (5378036).

5551456 is a wasteful number, since it uses less digits than its factorization.

5551456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173493 (or 173485 counting only the distinct ones).

The product of its digits is 15000, while the sum is 31.

The square root of 5551456 is about 2356.1527964035. The cubic root of 5551456 is about 177.0661865320.

Subtracting 5551456 from its reverse (6541555), we obtain a palindrome (990099).

The spelling of 5551456 in words is "five million, five hundred fifty-one thousand, four hundred fifty-six".