55253952 has 168 divisors, whose sum is σ = 175296576. Its totient is φ = 16533504.

The previous prime is 55253941. The next prime is 55253963. The reversal of 55253952 is 25935255.

55253952 is a `hidden beast` number, since 552 + 53 + 9 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (55253941) and next prime (55253963).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 351858 + ... + 352014.

It is an arithmetic number, because the mean of its divisors is an integer number (1043432).

Almost surely, 2^55253952 is an apocalyptic number.

55253952 is a gapful number since it is divisible by the number (52) 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 55253952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87648288).

55253952 is an abundant number, since it is smaller than the sum of its proper divisors (120042624).

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

55253952 is a wasteful number, since it uses less digits than its factorization.

55253952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 222 counting only the distinct ones).

The product of its digits is 67500, while the sum is 36.

The square root of 55253952 is about 7433.3002091938. The cubic root of 55253952 is about 380.8796610877.

The spelling of 55253952 in words is "fifty-five million, two hundred fifty-three thousand, nine hundred fifty-two".