5551085437 has 2 divisors, whose sum is σ = 5551085438. Its totient is φ = 5551085436.

The previous prime is 5551085417. The next prime is 5551085471. The reversal of 5551085437 is 7345801555.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4206689881 + 1344395556 = 64859^2 + 36666^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5551085437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5551085393 and 5551085402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5551085417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775542718 + 2775542719.

It is an arithmetic number, because the mean of its divisors is an integer number (2775542719).

Almost surely, 2^5551085437 is an apocalyptic number.

It is an amenable number.

5551085437 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551085437 is an equidigital number, since it uses as much as digits as its factorization.

5551085437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420000, while the sum is 43.

The square root of 5551085437 is about 74505.6067487542. The cubic root of 5551085437 is about 1770.6224668645.

The spelling of 5551085437 in words is "five billion, five hundred fifty-one million, eighty-five thousand, four hundred thirty-seven".