53877840 has 40 divisors (see below), whose sum is σ = 167022048. Its totient is φ = 14367360.

The previous prime is 53877833. The next prime is 53877851. The reversal of 53877840 is 4877835.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 53877792 and 53877801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112006 + ... + 112485.

Almost surely, 2^53877840 is an apocalyptic number.

It is an amenable number.

53877840 is an abundant number, since it is smaller than the sum of its proper divisors (113144208).

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

53877840 is a wasteful number, since it uses less digits than its factorization.

53877840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224507 (or 224501 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 53877840 is about 7340.1525869698. The cubic root of 53877840 is about 377.6910776304.

The spelling of 53877840 in words is "fifty-three million, eight hundred seventy-seven thousand, eight hundred forty".