90553401 has 6 divisors (see below), whose sum is σ = 130799370. Its totient is φ = 60368928.

The previous prime is 90553391. The next prime is 90553403. The reversal of 90553401 is 10435509.

It can be written as a sum of positive squares in only one way, i.e., 60840000 + 29713401 = 7800^2 + 5451^2 .

It is not a de Polignac number, because 90553401 - 2⁷ = 90553273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90553403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5030736 + ... + 5030753.

It is an arithmetic number, because the mean of its divisors is an integer number (21799895).

Almost surely, 2^90553401 is an apocalyptic number.

It is an amenable number.

90553401 is a deficient number, since it is larger than the sum of its proper divisors (40245969).

90553401 is a wasteful number, since it uses less digits than its factorization.

90553401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10061495 (or 10061492 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 90553401 is about 9515.9550755560. The cubic root of 90553401 is about 449.0571220788.

The spelling of 90553401 in words is "ninety million, five hundred fifty-three thousand, four hundred one".