53662490 has 32 divisors (see below), whose sum is σ = 110726784. Its totient is φ = 18342720.

The previous prime is 53662471. The next prime is 53662507. The reversal of 53662490 is 9426635.

53662490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53662490.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26825 + ... + 28755.

It is an arithmetic number, because the mean of its divisors is an integer number (3460212).

Almost surely, 2^53662490 is an apocalyptic number.

53662490 is an abundant number, since it is smaller than the sum of its proper divisors (57064294).

53662490 is a wasteful number, since it uses less digits than its factorization.

53662490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 53662490 is about 7325.4685856947. The cubic root of 53662490 is about 377.1871946404.

The spelling of 53662490 in words is "fifty-three million, six hundred sixty-two thousand, four hundred ninety".