76950553 has 2 divisors, whose sum is σ = 76950554. Its totient is φ = 76950552.

The previous prime is 76950547. The next prime is 76950593. The reversal of 76950553 is 35505967.

It is an a-pointer prime, because the next prime (76950593) can be obtained adding 76950553 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55160329 + 21790224 = 7427^2 + 4668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76950553 is a prime.

It is not a weakly prime, because it can be changed into another prime (76950593) 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, 38475276 + 38475277.

It is an arithmetic number, because the mean of its divisors is an integer number (38475277).

Almost surely, 2^76950553 is an apocalyptic number.

It is an amenable number.

76950553 is a deficient number, since it is larger than the sum of its proper divisors (1).

76950553 is an equidigital number, since it uses as much as digits as its factorization.

76950553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141750, while the sum is 40.

The square root of 76950553 is about 8772.1464306064. The cubic root of 76950553 is about 425.3410006026.

The spelling of 76950553 in words is "seventy-six million, nine hundred fifty thousand, five hundred fifty-three".