54653531 has 2 divisors, whose sum is σ = 54653532. Its totient is φ = 54653530.

The previous prime is 54653507. The next prime is 54653539. The reversal of 54653531 is 13535645.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54653531 is a prime.

It is a super-2 number, since 2×54653531² = 5974016901535922, which contains 22 as substring.

It is equal to p_3262829 and since 54653531 and 3262829 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (54653539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27326765 + 27326766.

It is an arithmetic number, because the mean of its divisors is an integer number (27326766).

Almost surely, 2^54653531 is an apocalyptic number.

54653531 is a deficient number, since it is larger than the sum of its proper divisors (1).

54653531 is an equidigital number, since it uses as much as digits as its factorization.

54653531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 32.

The square root of 54653531 is about 7392.8026485224. The cubic root of 54653531 is about 379.4950148138.

The spelling of 54653531 in words is "fifty-four million, six hundred fifty-three thousand, five hundred thirty-one".