55888403 has 2 divisors, whose sum is σ = 55888404. Its totient is φ = 55888402.

The previous prime is 55888397. The next prime is 55888409. The reversal of 55888403 is 30488855.

It is a balanced prime because it is at equal distance from previous prime (55888397) and next prime (55888409).

It is a cyclic number.

It is not a de Polignac number, because 55888403 - 2²² = 51694099 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (55888409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27944201 + 27944202.

It is an arithmetic number, because the mean of its divisors is an integer number (27944202).

Almost surely, 2^55888403 is an apocalyptic number.

55888403 is a deficient number, since it is larger than the sum of its proper divisors (1).

55888403 is an equidigital number, since it uses as much as digits as its factorization.

55888403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 55888403 is about 7475.8546668592. The cubic root of 55888403 is about 382.3319278109.

It can be divided in two parts, 5588 and 8403, that multiplied together give a palindrome (46955964).

The spelling of 55888403 in words is "fifty-five million, eight hundred eighty-eight thousand, four hundred three".