55890835 has 48 divisors (see below), whose sum is σ = 90650880. Its totient is φ = 32123520.

The previous prime is 55890833. The next prime is 55890847. The reversal of 55890835 is 53809855.

It is a happy number.

It is not a de Polignac number, because 55890835 - 2¹ = 55890833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55890791 and 55890800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55890833) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64636 + ... + 65494.

It is an arithmetic number, because the mean of its divisors is an integer number (1888560).

Almost surely, 2^55890835 is an apocalyptic number.

55890835 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55890835 is a deficient number, since it is larger than the sum of its proper divisors (34760045).

55890835 is a wasteful number, since it uses less digits than its factorization.

55890835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 55890835 is about 7476.0173220773. The cubic root of 55890835 is about 382.3374734919.

The spelling of 55890835 in words is "fifty-five million, eight hundred ninety thousand, eight hundred thirty-five".