53923650 has 72 divisors (see below), whose sum is σ = 147042672. Its totient is φ = 13068000.

The previous prime is 53923603. The next prime is 53923697. The reversal of 53923650 is 5632935.

It is an interprime number because it is at equal distance from previous prime (53923603) and next prime (53923697).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16665 + ... + 19635.

Almost surely, 2^53923650 is an apocalyptic number.

53923650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53923650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73521336).

53923650 is an abundant number, since it is smaller than the sum of its proper divisors (93119022).

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

53923650 is a wasteful number, since it uses less digits than its factorization.

53923650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008 (or 2992 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 33.

The square root of 53923650 is about 7343.2724312802. The cubic root of 53923650 is about 377.7980921089.

The spelling of 53923650 in words is "fifty-three million, nine hundred twenty-three thousand, six hundred fifty".