55101451 has 2 divisors, whose sum is σ = 55101452. Its totient is φ = 55101450.

The previous prime is 55101439. The next prime is 55101509. The reversal of 55101451 is 15410155.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55101451 - 2⁵ = 55101419 is a prime.

It is not a weakly prime, because it can be changed into another prime (55101401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27550725 + 27550726.

It is an arithmetic number, because the mean of its divisors is an integer number (27550726).

Almost surely, 2^55101451 is an apocalyptic number.

55101451 is a deficient number, since it is larger than the sum of its proper divisors (1).

55101451 is an equidigital number, since it uses as much as digits as its factorization.

55101451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 55101451 is about 7423.0351609028. The cubic root of 55101451 is about 380.5289287148.

The spelling of 55101451 in words is "fifty-five million, one hundred one thousand, four hundred fifty-one".