53774531 has 2 divisors, whose sum is σ = 53774532. Its totient is φ = 53774530.

The previous prime is 53774527. The next prime is 53774537. The reversal of 53774531 is 13547735.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53774531 - 2² = 53774527 is a prime.

It is a super-2 number, since 2×53774531² = 5783400368539922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53774491 and 53774500.

It is not a weakly prime, because it can be changed into another prime (53774537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26887265 + 26887266.

It is an arithmetic number, because the mean of its divisors is an integer number (26887266).

Almost surely, 2^53774531 is an apocalyptic number.

53774531 is a deficient number, since it is larger than the sum of its proper divisors (1).

53774531 is an equidigital number, since it uses as much as digits as its factorization.

53774531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44100, while the sum is 35.

The square root of 53774531 is about 7333.1119587798. Note that the first 3 decimals coincide. The cubic root of 53774531 is about 377.4495197327.

The spelling of 53774531 in words is "fifty-three million, seven hundred seventy-four thousand, five hundred thirty-one".