53752776 has 256 divisors, whose sum is σ = 186624000. Its totient is φ = 12472320.

The previous prime is 53752757. The next prime is 53752781. The reversal of 53752776 is 67725735.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 911035 + ... + 911093.

It is an arithmetic number, because the mean of its divisors is an integer number (729000).

Almost surely, 2^53752776 is an apocalyptic number.

53752776 is a gapful number since it is divisible by the number (56) 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 53752776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93312000).

53752776 is an abundant number, since it is smaller than the sum of its proper divisors (132871224).

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

53752776 is a wasteful number, since it uses less digits than its factorization.

53752776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 128 counting only the distinct ones).

The product of its digits is 308700, while the sum is 42.

The square root of 53752776 is about 7331.6284684918. The cubic root of 53752776 is about 377.3986125980.

The spelling of 53752776 in words is "fifty-three million, seven hundred fifty-two thousand, seven hundred seventy-six".