55903254 has 64 divisors (see below), whose sum is σ = 127104768. Its totient is φ = 16243200.

The previous prime is 55903249. The next prime is 55903273. The reversal of 55903254 is 45230955.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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, 197397 + ... + 197679.

It is an arithmetic number, because the mean of its divisors is an integer number (1986012).

Almost surely, 2^55903254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55903254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63552384).

55903254 is an abundant number, since it is smaller than the sum of its proper divisors (71201514).

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

55903254 is a wasteful number, since it uses less digits than its factorization.

55903254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 55903254 is about 7476.8478652437. The cubic root of 55903254 is about 382.3657899857.

It can be divided in two parts, 55 and 903254, that added together give a palindrome (903309).

The spelling of 55903254 in words is "fifty-five million, nine hundred three thousand, two hundred fifty-four".