55150507 has 2 divisors, whose sum is σ = 55150508. Its totient is φ = 55150506.

The previous prime is 55150409. The next prime is 55150523. The reversal of 55150507 is 70505155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55150507 - 2⁷ = 55150379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55150577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27575253 + 27575254.

It is an arithmetic number, because the mean of its divisors is an integer number (27575254).

Almost surely, 2^55150507 is an apocalyptic number.

55150507 is a deficient number, since it is larger than the sum of its proper divisors (1).

55150507 is an equidigital number, since it uses as much as digits as its factorization.

55150507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4375, while the sum is 28.

The square root of 55150507 is about 7426.3387345313. The cubic root of 55150507 is about 380.6418216291.

The spelling of 55150507 in words is "fifty-five million, one hundred fifty thousand, five hundred seven".