52478400 has 252 divisors, whose sum is σ = 192031112. Its totient is φ = 12472320.

The previous prime is 52478383. The next prime is 52478411. The reversal of 52478400 is 487425.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1809586 + ... + 1809614.

Almost surely, 2^52478400 is an apocalyptic number.

52478400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52478400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96015556).

52478400 is an abundant number, since it is smaller than the sum of its proper divisors (139552712).

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

52478400 is a wasteful number, since it uses less digits than its factorization.

52478400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 52478400 is about 7244.1976781421. The cubic root of 52478400 is about 374.3922600489.

The spelling of 52478400 in words is "fifty-two million, four hundred seventy-eight thousand, four hundred".