53997948 has 48 divisors (see below), whose sum is σ = 143788960. Its totient is φ = 17511552.

The previous prime is 53997941. The next prime is 53997953. The reversal of 53997948 is 84979935.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 53997894 and 53997903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53997941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2761 + ... + 10752.

Almost surely, 2^53997948 is an apocalyptic number.

It is an amenable number.

53997948 is an abundant number, since it is smaller than the sum of its proper divisors (89791012).

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

53997948 is a wasteful number, since it uses less digits than its factorization.

53997948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13563 (or 13555 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 53997948 is about 7348.3296061078. The cubic root of 53997948 is about 377.9715272078.

It can be divided in two parts, 53997 and 948, that added together give a palindrome (54945).

The spelling of 53997948 in words is "fifty-three million, nine hundred ninety-seven thousand, nine hundred forty-eight".