53629690 has 16 divisors (see below), whose sum is σ = 99648000. Its totient is φ = 20759760.

The previous prime is 53629633. The next prime is 53629699. The reversal of 53629690 is 9692635.

It is a super-2 number, since 2×53629690² = 5752287298992200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53629699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86190 + ... + 86809.

It is an arithmetic number, because the mean of its divisors is an integer number (6228000).

Almost surely, 2^53629690 is an apocalyptic number.

53629690 is a deficient number, since it is larger than the sum of its proper divisors (46018310).

53629690 is a wasteful number, since it uses less digits than its factorization.

53629690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173037.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 53629690 is about 7323.2294788570. The cubic root of 53629690 is about 377.1103298913.

The spelling of 53629690 in words is "fifty-three million, six hundred twenty-nine thousand, six hundred ninety".