91552477 has 8 divisors (see below), whose sum is σ = 92728064. Its totient is φ = 90382608.

The previous prime is 91552471. The next prime is 91552511. The reversal of 91552477 is 77425519.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91552477 - 2¹⁵ = 91519709 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 (91552471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37228 + ... + 39610.

It is an arithmetic number, because the mean of its divisors is an integer number (11591008).

Almost surely, 2^91552477 is an apocalyptic number.

It is an amenable number.

91552477 is a deficient number, since it is larger than the sum of its proper divisors (1175587).

91552477 is a wasteful number, since it uses less digits than its factorization.

91552477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859.

The product of its digits is 88200, while the sum is 40.

The square root of 91552477 is about 9568.3058584057. The cubic root of 91552477 is about 450.7025683787.

It can be divided in two parts, 91552 and 477, that added together give a palindrome (92029).

The spelling of 91552477 in words is "ninety-one million, five hundred fifty-two thousand, four hundred seventy-seven".