53639496 has 160 divisors (see below), whose sum is σ = 162043200. Its totient is φ = 16536960.

The previous prime is 53639459. The next prime is 53639501. The reversal of 53639496 is 69493635.

It is a happy number.

53639496 is a `hidden beast` number, since 5 + 3 + 639 + 4 + 9 + 6 = 666.

It is a super-2 number, since 2×53639496² = 5754391062268032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 879306 + ... + 879366.

It is an arithmetic number, because the mean of its divisors is an integer number (1012770).

Almost surely, 2^53639496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53639496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81021600).

53639496 is an abundant number, since it is smaller than the sum of its proper divisors (108403704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53639496 is a wasteful number, since it uses less digits than its factorization.

53639496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 148 counting only the distinct ones).

The product of its digits is 524880, while the sum is 45.

The square root of 53639496 is about 7323.8989616187. The cubic root of 53639496 is about 377.1333129226.

The spelling of 53639496 in words is "fifty-three million, six hundred thirty-nine thousand, four hundred ninety-six".