55807254 has 48 divisors (see below), whose sum is σ = 126157824. Its totient is φ = 17809200.

The previous prime is 55807231. The next prime is 55807303. The reversal of 55807254 is 45270855.

It is a happy number.

55807254 is a `hidden beast` number, since 5 + 580 + 72 + 5 + 4 = 666.

55807254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55807254² = 6228899198041032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56989 + ... + 57959.

It is an arithmetic number, because the mean of its divisors is an integer number (2628288).

Almost surely, 2^55807254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55807254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63078912).

55807254 is an abundant number, since it is smaller than the sum of its proper divisors (70350570).

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

55807254 is a wasteful number, since it uses less digits than its factorization.

55807254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 55807254 is about 7470.4252890983. The cubic root of 55807254 is about 382.1467917159.

The spelling of 55807254 in words is "fifty-five million, eight hundred seven thousand, two hundred fifty-four".