90953975 has 12 divisors (see below), whose sum is σ = 128895024. Its totient is φ = 62368320.

The previous prime is 90953963. The next prime is 90953981. The reversal of 90953975 is 57935909.

It is not a de Polignac number, because 90953975 - 2¹² = 90949879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259694 + ... + 260043.

It is an arithmetic number, because the mean of its divisors is an integer number (10741252).

Almost surely, 2^90953975 is an apocalyptic number.

90953975 is a deficient number, since it is larger than the sum of its proper divisors (37941049).

90953975 is a wasteful number, since it uses less digits than its factorization.

90953975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519754 (or 519749 counting only the distinct ones).

The product of its (nonzero) digits is 382725, while the sum is 47.

The square root of 90953975 is about 9536.9793435867. The cubic root of 90953975 is about 449.7183010602.

The spelling of 90953975 in words is "ninety million, nine hundred fifty-three thousand, nine hundred seventy-five".