90029529 has 16 divisors (see below), whose sum is σ = 133593600. Its totient is φ = 59922288.

The previous prime is 90029509. The next prime is 90029539. The reversal of 90029529 is 92592009.

It is not a de Polignac number, because 90029529 - 2¹² = 90025433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90029493 and 90029502.

It is not an unprimeable number, because it can be changed into a prime (90029509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16792 + ... + 21494.

It is an arithmetic number, because the mean of its divisors is an integer number (8349600).

Almost surely, 2^90029529 is an apocalyptic number.

It is an amenable number.

90029529 is a deficient number, since it is larger than the sum of its proper divisors (43564071).

90029529 is a wasteful number, since it uses less digits than its factorization.

90029529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5421 (or 5415 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 90029529 is about 9488.3891678198. The cubic root of 90029529 is about 448.1894809264.

The spelling of 90029529 in words is "ninety million, twenty-nine thousand, five hundred twenty-nine".