48787551 has 12 divisors (see below), whose sum is σ = 71970912. Its totient is φ = 31832736.

The previous prime is 48787549. The next prime is 48787553. The reversal of 48787551 is 15578784.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (48787549) and next prime (48787553).

It is not a de Polignac number, because 48787551 - 2¹ = 48787549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48787497 and 48787506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48787553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57246 + ... + 58091.

It is an arithmetic number, because the mean of its divisors is an integer number (5997576).

Almost surely, 2^48787551 is an apocalyptic number.

48787551 is a deficient number, since it is larger than the sum of its proper divisors (23183361).

48787551 is a wasteful number, since it uses less digits than its factorization.

48787551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115390 (or 115387 counting only the distinct ones).

The product of its digits is 313600, while the sum is 45.

The square root of 48787551 is about 6984.8085872127. The cubic root of 48787551 is about 365.4009505270.

The spelling of 48787551 in words is "forty-eight million, seven hundred eighty-seven thousand, five hundred fifty-one".