53747940 has 24 divisors (see below), whose sum is σ = 150494400. Its totient is φ = 14332768.

The previous prime is 53747927. The next prime is 53747951. The reversal of 53747940 is 4974735.

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, 447840 + ... + 447959.

It is an arithmetic number, because the mean of its divisors is an integer number (6270600).

Almost surely, 2^53747940 is an apocalyptic number.

It is an amenable number.

53747940 is an abundant number, since it is smaller than the sum of its proper divisors (96746460).

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

53747940 is a wasteful number, since it uses less digits than its factorization.

53747940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895811 (or 895809 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 53747940 is about 7331.2986571275. The cubic root of 53747940 is about 377.3872943954.

The spelling of 53747940 in words is "fifty-three million, seven hundred forty-seven thousand, nine hundred forty".