53742887 has 16 divisors (see below), whose sum is σ = 63849600. Its totient is φ = 44684640.

The previous prime is 53742883. The next prime is 53742889. The reversal of 53742887 is 78824735.

It is a happy number.

It is not a de Polignac number, because 53742887 - 2² = 53742883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53742883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1628 + ... + 10494.

It is an arithmetic number, because the mean of its divisors is an integer number (3990600).

Almost surely, 2^53742887 is an apocalyptic number.

53742887 is a deficient number, since it is larger than the sum of its proper divisors (10106713).

53742887 is a wasteful number, since it uses less digits than its factorization.

53742887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8926.

The product of its digits is 376320, while the sum is 44.

The square root of 53742887 is about 7330.9540306839. The cubic root of 53742887 is about 377.3754675994.

The spelling of 53742887 in words is "fifty-three million, seven hundred forty-two thousand, eight hundred eighty-seven".