95640551 has 2 divisors, whose sum is σ = 95640552. Its totient is φ = 95640550.

The previous prime is 95640541. The next prime is 95640583. The reversal of 95640551 is 15504659.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 95640551 - 2¹⁸ = 95378407 is a prime.

It is a super-2 number, since 2×95640551² = 18294229991167202, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (95640541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47820275 + 47820276.

It is an arithmetic number, because the mean of its divisors is an integer number (47820276).

Almost surely, 2^95640551 is an apocalyptic number.

95640551 is a deficient number, since it is larger than the sum of its proper divisors (1).

95640551 is an equidigital number, since it uses as much as digits as its factorization.

95640551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 95640551 is about 9779.5987136487. The cubic root of 95640551 is about 457.3135011790.

The spelling of 95640551 in words is "ninety-five million, six hundred forty thousand, five hundred fifty-one".