53996340 has 24 divisors (see below), whose sum is σ = 151189920. Its totient is φ = 14399008.

The previous prime is 53996329. The next prime is 53996351. The reversal of 53996340 is 4369935.

It is an interprime number because it is at equal distance from previous prime (53996329) and next prime (53996351).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449910 + ... + 450029.

It is an arithmetic number, because the mean of its divisors is an integer number (6299580).

Almost surely, 2^53996340 is an apocalyptic number.

It is an amenable number.

53996340 is an abundant number, since it is smaller than the sum of its proper divisors (97193580).

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

53996340 is a wasteful number, since it uses less digits than its factorization.

53996340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899951 (or 899949 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 39.

The square root of 53996340 is about 7348.2201926725. The cubic root of 53996340 is about 377.9677753106.

The spelling of 53996340 in words is "fifty-three million, nine hundred ninety-six thousand, three hundred forty".