55757503 has 2 divisors, whose sum is σ = 55757504. Its totient is φ = 55757502.

The previous prime is 55757479. The next prime is 55757531. The reversal of 55757503 is 30575755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55757503 - 2¹³ = 55749311 is a prime.

It is a super-3 number, since 3×55757503³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55757563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27878751 + 27878752.

It is an arithmetic number, because the mean of its divisors is an integer number (27878752).

Almost surely, 2^55757503 is an apocalyptic number.

55757503 is a deficient number, since it is larger than the sum of its proper divisors (1).

55757503 is an equidigital number, since it uses as much as digits as its factorization.

55757503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91875, while the sum is 37.

The square root of 55757503 is about 7467.0946826728. The cubic root of 55757503 is about 382.0331993294.

The spelling of 55757503 in words is "fifty-five million, seven hundred fifty-seven thousand, five hundred three".