53977403 has 2 divisors, whose sum is σ = 53977404. Its totient is φ = 53977402.

The previous prime is 53977393. The next prime is 53977421. The reversal of 53977403 is 30477935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53977403 - 2¹⁰ = 53976379 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26988701 + 26988702.

It is an arithmetic number, because the mean of its divisors is an integer number (26988702).

Almost surely, 2^53977403 is an apocalyptic number.

53977403 is a deficient number, since it is larger than the sum of its proper divisors (1).

53977403 is an equidigital number, since it uses as much as digits as its factorization.

53977403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 53977403 is about 7346.9315363626. The cubic root of 53977403 is about 377.9235845830.

The spelling of 53977403 in words is "fifty-three million, nine hundred seventy-seven thousand, four hundred three".