91955044 has 6 divisors (see below), whose sum is σ = 160921334. Its totient is φ = 45977520.

The previous prime is 91955029. The next prime is 91955063. The reversal of 91955044 is 44055919.

It can be written as a sum of positive squares in only one way, i.e., 68062500 + 23892544 = 8250^2 + 4888^2 .

It is a junction number, because it is equal to n+sod(n) for n = 91954994 and 91955012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11494377 + ... + 11494384.

Almost surely, 2^91955044 is an apocalyptic number.

It is an amenable number.

91955044 is a deficient number, since it is larger than the sum of its proper divisors (68966290).

91955044 is a wasteful number, since it uses less digits than its factorization.

91955044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22988765 (or 22988763 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 91955044 is about 9589.3192667676. The cubic root of 91955044 is about 451.3621998812.

The spelling of 91955044 in words is "ninety-one million, nine hundred fifty-five thousand, forty-four".