53890553 has 2 divisors, whose sum is σ = 53890554. Its totient is φ = 53890552.

The previous prime is 53890531. The next prime is 53890583. The reversal of 53890553 is 35509835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53699584 + 190969 = 7328^2 + 437^2 .

It is a cyclic number.

It is not a de Polignac number, because 53890553 - 2⁸ = 53890297 is a prime.

It is not a weakly prime, because it can be changed into another prime (53890513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26945276 + 26945277.

It is an arithmetic number, because the mean of its divisors is an integer number (26945277).

Almost surely, 2^53890553 is an apocalyptic number.

It is an amenable number.

53890553 is a deficient number, since it is larger than the sum of its proper divisors (1).

53890553 is an equidigital number, since it uses as much as digits as its factorization.

53890553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 53890553 is about 7341.0185260630. The cubic root of 53890553 is about 377.7207819211.

The spelling of 53890553 in words is "fifty-three million, eight hundred ninety thousand, five hundred fifty-three".