50553487 has 2 divisors, whose sum is σ = 50553488. Its totient is φ = 50553486.

The previous prime is 50553479. The next prime is 50553523. The reversal of 50553487 is 78435505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50553487 - 2³ = 50553479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50553407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25276743 + 25276744.

It is an arithmetic number, because the mean of its divisors is an integer number (25276744).

Almost surely, 2^50553487 is an apocalyptic number.

50553487 is a deficient number, since it is larger than the sum of its proper divisors (1).

50553487 is an equidigital number, since it uses as much as digits as its factorization.

50553487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 50553487 is about 7110.0975380089. The cubic root of 50553487 is about 369.7575402020.

It can be divided in two parts, 50553 and 487, that added together give a triangular number (51040 = T₃₁₉).

The spelling of 50553487 in words is "fifty million, five hundred fifty-three thousand, four hundred eighty-seven".