52654440 has 128 divisors (see below), whose sum is σ = 170760960. Its totient is φ = 12939264.

The previous prime is 52654439. The next prime is 52654463. The reversal of 52654440 is 4445625.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 52654398 and 52654407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107877 + ... + 108363.

It is an arithmetic number, because the mean of its divisors is an integer number (1334070).

Almost surely, 2^52654440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52654440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85380480).

52654440 is an abundant number, since it is smaller than the sum of its proper divisors (118106520).

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

52654440 is a wasteful number, since it uses less digits than its factorization.

52654440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 52654440 is about 7256.3379193640. The cubic root of 52654440 is about 374.8104286278.

The spelling of 52654440 in words is "fifty-two million, six hundred fifty-four thousand, four hundred forty".