91426052 has 6 divisors (see below), whose sum is σ = 159995598. Its totient is φ = 45713024.

The previous prime is 91426033. The next prime is 91426057. The reversal of 91426052 is 25062419.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 51179716 + 40246336 = 7154^2 + 6344^2 .

It is not an unprimeable number, because it can be changed into a prime (91426057) 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, 11428253 + ... + 11428260.

It is an arithmetic number, because the mean of its divisors is an integer number (26665933).

Almost surely, 2^91426052 is an apocalyptic number.

It is an amenable number.

91426052 is a deficient number, since it is larger than the sum of its proper divisors (68569546).

91426052 is a wasteful number, since it uses less digits than its factorization.

91426052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22856517 (or 22856515 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 91426052 is about 9561.6971296941. The cubic root of 91426052 is about 450.4950141170.

The spelling of 91426052 in words is "ninety-one million, four hundred twenty-six thousand, fifty-two".