90953157 has 4 divisors (see below), whose sum is σ = 121270880. Its totient is φ = 60635436.

The previous prime is 90953147. The next prime is 90953167. The reversal of 90953157 is 75135909.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (90953147) and next prime (90953167).

It is not a de Polignac number, because 90953157 - 2¹¹ = 90951109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90953147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15158857 + ... + 15158862.

It is an arithmetic number, because the mean of its divisors is an integer number (30317720).

Almost surely, 2^90953157 is an apocalyptic number.

It is an amenable number.

90953157 is a deficient number, since it is larger than the sum of its proper divisors (30317723).

90953157 is a wasteful number, since it uses less digits than its factorization.

90953157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30317722.

The product of its (nonzero) digits is 42525, while the sum is 39.

The square root of 90953157 is about 9536.9364577940. The cubic root of 90953157 is about 449.7169528667.

The spelling of 90953157 in words is "ninety million, nine hundred fifty-three thousand, one hundred fifty-seven".