55903045 has 8 divisors (see below), whose sum is σ = 73182240. Its totient is φ = 40656720.

The previous prime is 55903037. The next prime is 55903051. The reversal of 55903045 is 54030955.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55903045 - 2³ = 55903037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55902998 and 55903016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508155 + ... + 508264.

It is an arithmetic number, because the mean of its divisors is an integer number (9147780).

Almost surely, 2^55903045 is an apocalyptic number.

55903045 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55903045 is a deficient number, since it is larger than the sum of its proper divisors (17279195).

55903045 is a wasteful number, since it uses less digits than its factorization.

55903045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016435.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 55903045 is about 7476.8338887526. The cubic root of 55903045 is about 382.3653134806.

The spelling of 55903045 in words is "fifty-five million, nine hundred three thousand, forty-five".