75551051 has 2 divisors, whose sum is σ = 75551052. Its totient is φ = 75551050.

The previous prime is 75551039. The next prime is 75551053. The reversal of 75551051 is 15015557.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75551051 - 2¹⁸ = 75288907 is a prime.

It is a super-2 number, since 2×75551051² = 11415922614409202, which contains 22 as substring.

Together with 75551053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75551053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37775525 + 37775526.

It is an arithmetic number, because the mean of its divisors is an integer number (37775526).

Almost surely, 2^75551051 is an apocalyptic number.

75551051 is a deficient number, since it is larger than the sum of its proper divisors (1).

75551051 is an equidigital number, since it uses as much as digits as its factorization.

75551051 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 29.

The square root of 75551051 is about 8692.0107570113. The cubic root of 75551051 is about 422.7466454311.

The spelling of 75551051 in words is "seventy-five million, five hundred fifty-one thousand, fifty-one".